<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※<strong class="error"><span class="scribunto-error mw-scribunto-error-203ce7db">脚本错误:没有“lan”这个模块。</span></strong>">𫟷</span>
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Template:Elementbox 页面Template:Zy/styles.css没有内容。脚本错误:没有“ZyPy”这个模块。[1][2](Template:Langx),是一种人工合成的化学元素,其化学符号为Template:化学式,原子序数为116。<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷是一种放射性极强的超重元素,所有同位素的半衰期都极短,极为不稳定,其最长寿的已知同位素为<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷-293,半衰期仅约60毫秒。<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷不出现在自然界中,只能在实验室内以粒子加速器人工合成,于2000年用钙(48Ca)离子撞击锔而发现。至今约有30个<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷原子被探测到,其中一些为直接合成的,其余则是<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿹气奥 ※脚本错误:没有“lan”这个模块。">鿫的衰变产物。
<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷元素是以美国的劳伦斯利佛摩国家实验室(英语:Lawrence Livermore National Laboratory,LLNL)命名,该实验室与俄罗斯杜布纳的杜布纳联合原子核研究所合作,在公元2000至2006年之间的实验中发现了此元素。该实验室的名称中包含了它所在的城市之名,即加利福尼亚州的利佛摩;而该城市是以农场主兼地主脚本错误:没有“ilh”这个模块。(英语:Robert Livermore)所命名。此元素的名称在公元2012年5月30日被IUPAC采用。[3]
在元素周期表中,<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷是位于p区的锕系后元素,属于第7周期、第16族(氧族),是已知最重的氧族成员。由于没有足够稳定的同位素,因此目前未能通过化学实验来验证<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的性质是否符合钋的较重同族元素。根据计算,<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的一些特性与其同族的较轻元素(氧、硫、硒、碲、钋)相近,且属于后过渡金属,尽管计算也显示<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的某些性质可能和同族元素有较大差异。
概论[编辑]
历史[编辑]
失败的合成尝试[编辑]
对116号元素的第一次搜寻,是由Ken Hulet与他的团队在公元1977年于劳伦斯利佛摩国家实验室(LLNL)执行,他们利用了248Cm与48Ca的反应,但当时侦测不到任何<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷原子。[4]1978年,尤里·奥加涅相与他的团队也在杜布纳联合原子核研究所的Flerov Laboratory of Nuclear Reactions (FLNR)尝试做该反应,但也没有成功。1985年,柏克莱与Peter Armbruster在GSI的团队合作实验,实验结果也是否定的,该次实验中计算出的截面极限是10–100皮靶。然而,在杜布纳,与48Ca有关的反应持续在进行(48Ca已被证明在用natPb+48Ca的反应合成锘的实验中很有用)。公元1989年,超重元素分离器被开发出来。公元1990年,开始了靶材料的寻找及与LLNL的合作。公元1996年,开始生产更高强度的48Ca粒子束。公元1990年代,完成了灵敏度高出3个数量级的长期实验的准备。这些工作直接导致了有锕系元素靶与48Ca的反应中,元素112至118的新同位素的产生,也导致了元素周期表中最重的五个元素(<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅夫 ※脚本错误:没有“lan”这个模块。">𫓧、镆、<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷、<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰石田 ※脚本错误:没有“lan”这个模块。">鿬、<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿹气奥 ※脚本错误:没有“lan”这个模块。">鿫)的发现。[5]
1995年,脚本错误:没有“ilh”这个模块。领导的国际团队在德国达姆施塔特的Gesellschaft für Schwerionenforschung (GSI) 尝试合成116号元素。他们执行铅-208的靶与硒-82的入射粒子之间的辐射捕获反应。在反应之中,复合核以纯粹的伽马发射(不发射中子)而去激发。此反应并无侦测到116号元素的原子。[6]
1998年尾,波兰物理学家Template:Le发表了合成包括118和116号元素在内的超重元素的计算。[7]计算显示在严格控制的环境下,铅与氪的核聚变可以产生这两个元素。[7]1999年,劳伦斯伯克利国家实验室利用这些预测,宣布合成了118和116号元素,并把论文发布到《物理评论快报》,[8]不久后结果登上《科学》。[9]研究团队宣称成功完成以下核反应:
- 脚本错误:没有“Element”这个模块。 + 脚本错误:没有“Element”这个模块。 → 脚本错误:没有“Element”这个模块。 + 脚本错误:没有“Su”这个模块。n脚本错误:没有“Su”这个模块。
- 脚本错误:没有“Element”这个模块。 → 脚本错误:没有“Element”这个模块。 + α
翌年,由于其它实验室及劳伦斯伯克利国家实验室本身都未能重复这些结果,研究团队因此撤稿。[10]2002年6月,实验室主任宣布原先两个元素的发现结果建立在第一作者维克托·尼诺夫所假造的数据上。[11][12]
发现[编辑]
2000年7月19日,位于俄罗斯杜布纳联合核研究所(JINR)的科学家使用48Ca离子撞击248Cm目标,探测到<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷原子的一次α衰变,能量为10.54 MeV。结果于2000年12月发布。[13]由于292Lv的衰变产物和已知的288Fl关联,因此这次衰变起初被认为源自292Lv。然而其后科学家把288Fl更正为289Fl,所以衰变来源292Lv也顺应更改到293Lv。他们于2001年4至5月进行了第二次实验,再发现两个<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷原子。[14]
- <math>\,^{48}_{20}\mathrm{Ca} + \,^{248}_{96}\mathrm{Cm} \to \,^{296}_{116}\mathrm{Lv} ^{*} \to \,^{293}_{116}\mathrm{Lv} + 3\,^{1}_{0}\mathrm{n}</math>
在同样的实验里,研究人员探测到<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅夫 ※脚本错误:没有“lan”这个模块。">𫓧的衰变,并将此次衰变活动指定到289Fl。[14]在重复进行相同的实验后,他们并没有观测到该衰变反应。这可能是来自<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的同核异能素293bLv的衰变,或是293aLv的一条较罕见的衰变支链。这须进行进一步研究才能确认。
研究团队在2005年4月至5月重复进行实验,并探测到8个<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷原子。衰变数据证实所发现的同位素是293Lv。同时他们也通过4n通道第一次观测到292Lv。[15]
2009年5月,联合工作组在报告中指明,发现了的<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅哥 ※脚本错误:没有“lan”这个模块。">鿔同位素包括283Cn。[16]283Cn是291Lv的衰变产物,因此该报告意味着291Lv也被正式发现(见下)。
2011年6月11日,IUPAC证实了<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的存在。[17]
命名[编辑]
<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的原文名称Livermorium(Lv),是IUPAC在2012年5月30日正式命名的[18]。之前IUPAC根据系统命名法将之命名为Ununhexium(Uuh)[19]。科学家通常称之为“元素116”(或E116)。
此前<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷被提议以俄罗斯莫斯科州(Moscow Oblast)名为Moscovium,但由于元素114和116是俄罗斯和美国劳伦斯利福摩尔国家实验室研究人员合作的产物,而元素114已经根据俄罗斯的要求命名,因此元素116最后以实验室所在地美国利弗莫尔市(Livermore)命名为Livermorium(Lv)[20][21]。
2012年6月2日,中华民国国家教育研究院的化学名词审译委员会将此元素暂译为鉝。[1][2] 2013年7月,中华人民共和国全国科学技术名词审定委员会通过以<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷(读音同“立”)为中文定名。[2]
同位素与核特性[编辑]
脚本错误:没有“main”这个模块。 目前已知的<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的同位素共有5个,质量数为288及290-293,全部都具有极高的放射性,半衰期极短,极为不稳定。愈重的同位素稳定性愈高,因为它们更接近稳定岛的中心,其中最长寿的同位素为<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷-293,半衰期为53毫秒,也是目前发现最重的<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷同位素。此外,未经证实的更重同位素<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷-294可能也具有较长的半衰期,约为54毫秒。[22]
预测性质[编辑]
由于<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的生产极为昂贵且每次的产量皆极少,产出的<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷又会在极短时间内发生衰变,因此目前除了核特性外,尚未利用实验测量过任何<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷或其化合物的化学属性,只能通过理论来预测。[23]
物理与原子性质[编辑]
<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷是氧族元素,在元素周期表中位于氧、硫、硒、碲、钋之下。所有氧族元素都有六粒价电子,电子构型ns2np4。<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷预测也和其它氧族元素一样有六粒价电子,电子构型7s27p4,[24]因此性质与较轻的同族元素相似。不过,由于<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的电子速度比同族元素快,接近光速,因此变得明显的自旋-轨道作用会影响<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的性质。[25]它降低了<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷原子7s、7p电子能级的能量,使它们稳定,但有两个7p电子能级比另外四个更稳定。[26]使7s电子变得稳定的现象叫惰性电子对效应,使7p电子能级分裂成较稳定与较不稳定部分的现象则叫亚层分裂。计算化学家把较稳定与较不稳定部分分别称为7p1/2和7p3/2。7p1/2电子能级会变成第二对惰性电子对,而7p3/2电子能级则可容易地参与化学反应。[24][25]大部分理论预测都会把<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的电子构型写成7s脚本错误:没有“Su”这个模块。7p脚本错误:没有“Su”这个模块。7p脚本错误:没有“Su”这个模块。,以显示7p电子能级的分裂。[24]
<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的惰性电子对效应应该比钋强,因此其+2氧化态会比+4氧化态稳定。<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷预测的电离能反映了这点,第三电离能(电离了惰性的7p1/2电子)会远高于第二电离能,而第五电离能也会远高于第四电离能。Template:Fricke1975<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的7s电子的稳定性将会使它无法达到+6氧化态。[24]<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的熔点和沸点预测会延续氧族元素的趋势,熔点比钋高,但沸点比钋低。[27]它有与钋类似的α相和β相,密度预测比钋高(α-Lv 12.9 g/cm3,α-Po 9.2 g/cm3)。Template:Fricke1975[28]<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的类氢原子(只剩一粒电子的原子,即Lv115+)中的电子速度极快,会由于相对论效应而有静止电子1.86倍的重量。作为比较,钋和碲的这个值分别是1.26和1.080。[25]
化学属性[编辑]
氧化态[编辑]
<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷预计为7p系非金属的第4个元素,并是元素周期表中16族(VIA)最重的成员,位于钋之下。尽管它是7p系元素中理论研究最少的,它的化学性质预测类似钋。Template:Fricke1975这一族的氧化态为+VI,缺少d轨域,无法形成超价分子的氧除外。氧的最高氧化态只到 +2 ,存在于OF2(理论上存在的三氟𨦡的氧化态为 +4)硫、硒、碲及钋的氧化态都是+IV,稳定性由S(IV)和Se(IV)的还原性到Po(IV)的氧化性。Te(IV)是碲最稳定的氧化态。这表明了相对论效应,尤其是惰性电子对效应对元素性质的影响越来越大。因此,随着元素周期表中氧族元素的下降,较高氧化态的稳定性也跟着下降。 [25]因此,<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷应有不稳定,有氧化性的+IV态,以及最稳定的+II态。同族其他元素亦能产生−II态,如氧化物、硫化物、硒化物、碲化物和钋化物。<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的+2氧化态应该与铍和镁一样容易形成, 而+4氧化态只有在和电负性极高的基团反应才能得到,例如四氟化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷 (LvF4)。[24]<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的 +6 氧化态应该不存在,因为7s轨道非常稳定,使得<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷可能只有四颗价电子。Template:Fricke1975较轻的氧族元素可以形成−2氧化态,存在于氧化物、硫化物、硒化物、碲化物和钋化物中。由于<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的 7p3/2 壳层变得不稳定,它的−2氧化态会非常不稳定。这使得<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷应该只能形成阳离子,[24]尽管与钋相比,<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷更大的壳层和能量分裂会使得Lv2-的不稳定程度略低于预期。 [25]
化学特性[编辑]
<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的化学特性能从钋的特性推算出来。因此,它应在氧化后产生二氧化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷(LvO2)。三氧化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷(LvO3)也有可能产生,但可能性较低。在氧化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷(LvO)中,<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷会展现出+II氧化态的稳定性。氟化后它可能会产生四氟化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷(LvF4)和/或二氟化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷(LvF2)。氯化和溴化后会产生二氯化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷(LvCl2)和二溴化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷(LvBr2)。碘对其氧化后一定不会产生比二碘化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷(LvI2)更重的化合物,甚至可能完全不发生反应。[来源请求]
氢化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷 (LvH2) 将会是最重的氧族元素氢化物,也是H2O、H2S、H2Se、H2Te和PoH2)的同系物。钋化氢比大部分金属氢化物共价,因为钋介于金属和类金属之间,还有一些非金属的性质。它的性质介于卤化氢,像是氯化氢(HCl)和金属氢化物,像是甲锡烷 (SnH4)之间。 氢化<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷将会继续这个趋势 。比起是一种<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷化物,它更可能是一种氢化物,不过它还是一种分子型化合物。[29] 自旋-轨道作用会使Lv–H键比单纯靠元素周期律推测的长,也会使H–Lv–H的键角比预测的更大。从理论上讲,这是因为未被占用的8s轨道能量较低,并且可以与<span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的7p轨道发生轨道杂化。 [29] 这种现象被称为“超价轨道杂化”, [29] 在周期表里并不少见。例如,分子型二氟化钙中的钙原子有4s和3d参与的轨道杂化。 [30] <span class="inline-unihan" style="border-bottom: 1px dotted; font-variant: normal;cursor: help; font-family: sans-serif, 'FZSongS-Extended', 'FZSongS-Extended(SIP)', 'WenQuanYi Zen Hei Mono', 'BabelStone Han', 'HanaMinB', 'FZSong-Extended', 'Arial Unicode MS', Code2002, DFSongStd, 'STHeiti SC', unifont, SimSun-ExtB, SimSun-ExtG, TH-Tshyn-P0, TH-Tshyn-P1, TH-Tshyn-P2, Jigmo3, Jigmo2, Jigmo, ZhongHuaSongPlane15, ZhongHuaSongPlane02, ZhongHuaSongPlane00, 'Plangothic P1', 'Plangothic P2';" title="字符描述:⿰钅立 ※脚本错误:没有“lan”这个模块。">𫟷的二卤化物将会是直线形的,不过更轻的氧族元素的二卤化物是角形的。[31]
参见[编辑]
注释[编辑]
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参考资料[编辑]
- ↑ 1.0 1.1 Template:Cite web
- ↑ 2.0 2.1 2.2 Template:Cite web
- ↑ 引用错误:
<ref>标签无效;未给name(名称)为IUPAC-names-114-116的ref(参考)提供文本 - ↑ Template:Cite journal
- ↑ Template:Cite journal
- ↑ 脚本错误:没有“citation/CS1”这个模块。
- ↑ 7.0 7.1 Template:Cite journal
- ↑ Template:Cite journalTemplate:Retracted
- ↑ Template:Cite journal
- ↑ Template:Cite news
- ↑ Template:Cite journal
- ↑ Element 118 disappears two years after it was discovered. Physicsworld.com (August 2, 2001). Retrieved on 2012-04-02.
- ↑ Template:Cite journal
- ↑ 14.0 14.1 "Confirmed results of the 248Cm(48Ca,4n)292116 experiment" (页面存档备份,存于互联网档案馆), Patin et al., LLNL report (2003). Retrieved 2008-03-03
- ↑ 引用错误:
<ref>标签无效;未给name(名称)为04Og01的ref(参考)提供文本 - ↑ Template:Cite journal
- ↑ Template:Cite web
- ↑ Template:Cite web
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- ↑ Template:Cite web
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- ↑ 24.0 24.1 24.2 24.3 24.4 24.5 引用错误:
<ref>标签无效;未给name(名称)为Haire的ref(参考)提供文本 - ↑ 25.0 25.1 25.2 25.3 25.4 Template:Cite book
- ↑ Template:Cite journal
- ↑ 引用错误:
<ref>标签无效;未给name(名称)为B&K的ref(参考)提供文本 - ↑ Template:Cite web
- ↑ 29.0 29.1 29.2 Template:Cite journal
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- ↑ Template:Cite journal