Предмет: Химия, автор: Norax818

Выберите верное утверждение
1.Водород входит в состав всех оксидов
2.Водород-самый распространенный элемент во вселенной
3.Молекула водорода трёхотомна
4.Водород тяжелее воздуха

Ответы

Автор ответа: podsolnuh32

Ответ:

По моему кажется первое, если только один вариант ответов

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