砷
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砷(arsenic)是一种非金属元素,元素符号为As。渠个原子序数是33,电子排布2,8,18,5,电子亚层[Ar]3d104s24p3,有-3,+3搭+5价。渠燃烧生成砒霜(As4O6)。


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From Wikipedia, the free encyclopedia
砷(arsenic)是一种非金属元素,元素符号为As。渠个原子序数是33,电子排布2,8,18,5,电子亚层[Ar]3d104s24p3,有-3,+3搭+5价。渠燃烧生成砒霜(As4O6)。


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