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Encyclopedia
理学
放射性元素
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einsteinium
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人工放射性元素,元素符号Es,原子序数99,半衰期最长的同位素的质量数252。属周期系ⅢB族,锕系元素。为纪念著名物理学家A.爱因斯坦[注](Einstein)而命名。
Astronomy
全称:einsteinium。缩写:Es
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Chemistry
>放射化学与辐射化学>放射性元素化学>释义
einsteinium
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