Question

определите валентность H2SO3, P2O5, MgCI2, CuF2,H3PO4, N2O3, CaBr2, BaJ2​

Answer 1

Ответ:

S +4; p +5; mg+2; cu +2; p +5, N +3, ca +2, ba +2

Answer 2

H2SO3 - H(I), S(IV), O(II);

P2O5 - P(V), O(II);

MgCl2 - Mg(II), Cl(I);

CuF2 - Cu(II), F(I);

H3PO4 - H(I), P(V), O(II);

N2O3 - N(III), O(II);

CaBr2 - Ca(II), Br(I);

BaI2​ - Ba(II), I(I).