Question

помогите пожалуйста...​

Answer 1

Ответ:

CrO3 = [+6] [-2]

Mn2O7 = [+7] [-2]

CaH2 = [+2] [-1]

MnCl2 = [+2] [-1]

KMnO4 = [+1] [+7] [-2]

K2MnO4 = [+1] [+6] [-2]

NH4ClO4 = [-3] [+1] [+7] [-2]

PCl5 = [+5] [-1]

SnS2 = [+4] [-2]

Answer 2

Cr(+6)O(-2); Mn(+7)O(-2); Ca(-2)H(+1); Mn(+2)Cl(-1); K(+1)Mn(+7)O(-2); K(+1)Mn(+6)O(-2); N(+5)H(+1)Cl(-1)O(-2); P(+5)Cl(-1); Sn(+4)S(-2)