Объяснение:
Mg+²+2ē → Mg⁰.
N+⁵ +8ē → N-³
S-ю+²+2ē → S⁰
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Объяснение:
Mg+²+2ē → Mg⁰.
N+⁵ +8ē → N-³
S-ю+²+2ē → S⁰