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1 2 s. 1s 2s 2p 3s 3p 3d таблица. 2s2 2p1. 2s2p3 и 1s2. 1s2 2s2 2p6 3s1.
1s 2s 2p 3s 3p 3d таблица. 2s2 2p1. 2s2p3 и 1s2. 1s2 2s2 2p6 3s1.

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