[問題] 電子殼層的疑惑
最近在複習學測
有個從高一困擾到現在的問題又出現了
參考書上寫「第n層最多可以容納2n^2個電子」
但在下面的題目又用到第n層可以放「2,8,8,18,18.....」個電子
這樣不符合2n^2的概念呀.....
請教各位
「2n^2」和「2,8,8,18,18...」這2個概念到底差在哪
Thx
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