chem:number of outermost shell
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2009-01-17 7:29 am
✔ 最佳答案
In ground state of any atom, the number of outermost shell electrons should not exceed 8.
The number of outermost shell electrons of a transition metal（過渡性元素）is 2 (most transition metals) or 1 (e.g. chromium, copper).
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