A.6 B.3 C.2 D.9
試判斷原子態(tài):1s1s3S1,1s2p3P2,1s2p1D1,2s2p3P2中下列哪組是完全存在的()
A.A B.B C.C D.D
A.3F2 B.4P5/2 C.2F7/2 D.3D1/2