下列有關U和U的說法正確的是（  ）A.U和U互為同位素          B.U和U的質量數相同C.U和U是...

問題詳情：

下列有關U和U的說法正確的是（   ）

A. U和U互為同位素           B. U和U的質量數相同

C. U和U是同一種核素         D. U和U的核外電子數和中子數均為92                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

【回答】

A

知識點：原子結構

題型：選擇題