Предмет: Химия, автор: gariksupremegarik

У II періоді , V групі , головній підгрупі знаходиться єлемент; а) cd

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Автор ответа: nastakarpenuk897

1

Ответ:

N Нітроген...............

nastakarpenuk897: Але якщо ти мав на увазі 2 група 5 період то Стронцій

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