Предмет: Химия, автор: pivnyknikaaa

Укажіть назву хімічного елемента електронна формула атома якого має закінчення 3s^1

Ответы

Автор ответа: valeruakononenko123

1

Відповідь:

Na

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

pivnyknikaaa: Дякую

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