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Tc称为Tc的()。

单选题
2021-12-26 00:32
A、发生器
B、放射性核素
C、同质异能素
D、稳定核素
E、分子
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正确答案
C

试题解析
处于激发态的同质异能素用元素质量数A后面加字母m来表示。

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