试题与答案

原子核的直径约为()A、10-10C、m  B、10-11C、m  C、10-12C

题型:单项选择题

题目:

原子核的直径约为()

A、10-10C、m 

B、10-11C、m 

C、10-12C、m 

D、10-13C、m 

E、10-14C、m

答案:

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参考答案:B

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