Предмет: Химия, автор: abylajhankalihan

элементы 2-го малого периода
СРОЧНО

Ответы

Автор ответа: alexproVip
2

Ответ:

Li, Be, B, C, N, O, F, Ne

Объяснение:

Смотри в таблице Менделеева

abylajhankalihan: Спасибо, я смотрел, но запутался
nikisharke07: спасибо выручил!
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