Предмет: Химия, автор: 0o0o0o0o0o

Укажи порядковый номер и название химического элемента, расположенного в пятом периоде, IVB группе периодической системы.
(Запиши номер и название через запятую и пробел. Пример: №6, углерод).

Ответы

Автор ответа: olyaantonenkorvua

Ответ:

40, цирконий(zr)

Объяснение:

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