题目内容
(请给出正确答案)
提问人:网友bixueyuan
发布时间:2022-01-07
[主观题]
Cr原子基态的核外电子排布为1s2 2s2 2p6 3s2 3p6 3d4 4s2()
简答题官方参考答案
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B.O 2 - : 1s 2 2s 2 2p 6
C.Cr 3 + 的核外电子排布式为 : 1s 2 2s 2 2p 6 3s 2 3p 6 3d 1 4s 2
D.Al 3 + : 1s 2 2s 2 2p 6
E.
B.In opening minds, instilling values, and creating opportunities, education has no equal.
C.I have a dream that my four children will someday live in a nation where they will not be judged by the color of their skin but by the content of their character.
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