下列四种微粒中,半径由大到小顺序排列的是  (    )①X  1s22s22p63

下列四种微粒中,半径由大到小顺序排列的是  (    )

①X  1s22s22p63s23p4

②Y  1s22s22p63s23p5

③Z2- 1s22s22p63s23p6

④W  1s22s22p5

A.①>②>③>④  B.③>④>①>②  C. ③>①>②>④  D. ①>②>④>③

 

答案

C

解析:略

 

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