СРОЧНОО!!!!!!! ДАМ 40 БАЛЛОВ!!!!!!!!!!!!!!!!!!!!!!!111

Определи с.о. :
HCl LiH ZnH2 H2O H2S
NaH H3N H3 P Mg H2 HF

Определите С.О. по формулам

Cl2O7, NaH, Na2S, MgO, H3N, N2, Al2S3, Cu2O
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