Question

Li20 Na2O К20 CuO Ag20 MgO CaO SrO Укажите валентность

Answer 1

Li2O (+1; -2)

Na2O (+1; -2)

K2O (+1; -2)

CuO (+2; -2)

Ag2O (+1; -2)

MgO (+2; -2)

CaO (+2; -2)

SrO (+2; -2)