1贝可(Bq)等于每秒的核衰变次数为A.1B.2C.5D.10E.100

作者: rantiku 人气: - 评论: 0
问题 1贝可(Bq)等于每秒的核衰变次数为
选项 A.1 B.2 C.5 D.10 E.100
答案 A
解析 :放射性活度的国际制单位是贝可勒尔(Becquerel),简称贝可(Bq)。1Bq等于每秒发生一次核衰变。

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