27Co的基态原子核外电子排布式为
A: 1s22s22p63s23p64s23d7
B: 1s22s22p63s23p63d64s24p1
C: 1s22s22p63s23p63d74s2
D: 1s22s22p63s23p63d9
E: 1s22s22p63s23p63d54s24p2
F: 1s22s22p63s23p64s24p65s1
A: 1s22s22p63s23p64s23d7
B: 1s22s22p63s23p63d64s24p1
C: 1s22s22p63s23p63d74s2
D: 1s22s22p63s23p63d9
E: 1s22s22p63s23p63d54s24p2
F: 1s22s22p63s23p64s24p65s1
举一反三
- 试判断原子态:1s1s3S1,1s2p3P2,1s2p1D1,2s2p3P2中,下面哪组是存在的? A: 1s1s3S1,1s2p3P2; B: 1s2p3P2,1s2p1D1; C: 1s2p3P2,2s2p3P2; D: 1s1s3S1,1s2p1D1;
- 高P/S值是指() A: P/S≥1 B: P/S≤1 C: P/S>1 D: P/S>0.5
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- 假如集合 S={ 1, 2, 3, 4 },后面 5 个命题中,哪些是正确的?ⅰ) { {2} }⊆P(S),ⅱ) { 1, 3 }⊆P(S),ⅲ) { 1, 3 }∈P(S),ⅳ) { {2, 4} }⊆P(S),ⅴ) { 4 }⊆P(S)
- 试判断原子态:1s1s3S1,1s2p3P2,1s2p1D1,2s2p3P2中下列哪组是完全存在的() A: A B: B C: C D: D