Предмет: Химия, автор: irresponsible03

Составь формулу соединения кальция с азотом (степень окисления −3) и найди его относительную молекулярную массу.

Ответы

Автор ответа: fdafdf12f

Mg2S
M=24+32=56
С.о. +1 и -2
( ответ 100% правильный. ) ( Очень хорошо шарю в химии.)

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