下列各原子或离子的电子排列式错误的是( ) A.Na+ 1s22s22p6 

下列各原子或离子的电子排列式错误的是(  )

A.Na+ 1s22s22p6                         B.F- 1s22s22p6

C.N3+  1s22s22p6                        D.O2- 1s22s22p6

答案

解析:N3+ 的电子排列式应为1s22s2。

答案:C

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