Question

Определить степени окисления элементов в молекулярных формулах:
NaH, SiH4, SbH3, HBr, ScH3, CuF2, FeF3, MoF6, SF4, Cr2O3, K2O, ZnO, SO2, Br2O5, CrO3, Mn2O7, FeO4,
Na3P, Cu3N2, Ag2S, Cr2C3, Al4Si3, SeBr4, P2S3, NCl5, CSi, B2Te3, HClO2, H8C4O2, H2CO2, H3AlO3, H2S2O7,
H2MnO4, Mn(NO3)2, Ca(OH)2, Al(HS)3, CuSO3, Ba(HSO3)2, Sn(SO4)2, Sb(NO2)5, K3PO4, Fe2(HPO4)3,
Cr2(SiO3)3

Answer 1

Na+1 H-1, H+1 Si-4, H+3 Sb -3, Br-1 H+1, H+3 Sc-3, F-1 Cu+2, F-1 Fe+3, F-1 Mo+6, F-1 S+4, O-2 Cr+3, O-2 K+1, O-2 Zn+2, O-2 S+4, O-2 Br+5, O-2 Cr+6, O-2 Mn+7, O-2 Fe+4
P-3 Na+1, N-3 Cu+2, S-2 Ag+1, C-2 Cr+3, Si-4 Al+3, Br-1 Se+4, S-2 P+3, Cl-1 N+5, Si-2 C+2, Te-2 B+3, O-2 H+1 Cl+3, O-2 H+1 C+2, O-2 H+1 Al+3, O-2 H+1 S+6