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Encyclopedia
理学
放射性元素
释
polonium
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天然放射性元素,元素符号Po,原子序数84,半衰期最长的同位素的质量数209,属周期系ⅥA族。为纪念居里夫人[注]的祖国波兰(Poland)而命名。
Astronomy
全称:polonium。缩写:Po
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Chemistry
>放射化学与辐射化学>放射性元素化学>释义
polonium
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