1 вариант:
Hg2O - Hg(I), O(II);
NH3 - N(III), H(I);
B2O3 - B(III), O(II);
HgO - Hg(II), O(II);
MnO2 - Mn(IV), O(II);
FeCl3 - Fe(III), Cl(I).
2 вариант:
Cu2O - Cu(I), O(II);
CH4 - C(IV), H(I),;
Ni2O3 - Ni(III), O(II);
SO3 - S(VI), O(II);
CuCl2 - Cu(II), Cl(I);
H2O - H(I), O(II).
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Answers & Comments
1 вариант:
Hg2O - Hg(I), O(II);
NH3 - N(III), H(I);
B2O3 - B(III), O(II);
HgO - Hg(II), O(II);
MnO2 - Mn(IV), O(II);
FeCl3 - Fe(III), Cl(I).
2 вариант:
Cu2O - Cu(I), O(II);
CH4 - C(IV), H(I),;
Ni2O3 - Ni(III), O(II);
SO3 - S(VI), O(II);
CuCl2 - Cu(II), Cl(I);
H2O - H(I), O(II).