Предмет: Химия, автор: rubakvitalina

Відносна атомна маса елемента під наз-вою Оксиген дорівнює вісім?

Ответы

Автор ответа: monka9785

Відповідь:
80
Пояснення:
Відносна молекулярна маса Оксигена 80

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