單項選擇題

今有電子組態(tài)1s2p,1s1p,2d3p,2p3s,試判斷下列哪些電子組態(tài)是完全存在的:()

A.1s2p,1s1p
B.1s2p,2d3p
C.2d3p,2p3s
D.1s2p,2p3s

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