Предмет: Химия, автор: mokiikarina09

Що означають записи?
Даю 50 балов
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Ответы

Автор ответа: dobriakua
0

O - 1 атом Оксигену;

2O - 2 атоми Оксигену;

O₂ - 1 молекула кисню;

2O₂ - 2 молекули кисню;

CO₂ - 1 молекула оксид карбону (IV) (вуглекислого газу);

2CO₂ - 2 молекули оксид карбону (IV) (вуглекислого газу).

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