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单词
astatine
释义
astatine
Encyclopedia
理学
放射性元素
释
astatine
砹
人工放射性元素,元素符号At,原子序数85,半衰期最长的同位素的质量数210,属周期系ⅦA族,卤族元素。英文名称来源于希腊文astatos(不稳定)。
Physics
astatine
砹
85
At
{化}
Astronomy
astatine
缩写:At。砹
Chemistry
>放射化学与辐射化学>放射性元素化学>释义
astatine
砹
>放射化学与辐射化学>放射性元素化学>释义
astatine
砈
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