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Автор - gulbakhor0411

расположение электронов по энергетическим уровням на примерах 2 металлов и 2 неметаллов

Ответ

Автор - LAMAXAMA

Ответ:

Металлы:

Na 1s^2 2s^2 2p^6 3s^1

Ca 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2

Неметаллы:

B 1s^2 2s^2 2p^1

O 1s^2 2s^2 2p^4

Объяснение:

Ответы и объяснения

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