SiH4 - Si(IV), H(I);

N2O - N(I), O(II);

NO - N(II), O(II);

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

N2O5 - N(V), O(II);

NO2 - N(IV), O(II);

CuO - Cu(II), O(II);

Cu2O - Cu(I), O(II);

Cr2O3 - Cr(III), O(II);

Mn2O7 - Mn(VII), O(II);

Al2S3 - Al(III), S(II);

BaS - Ba(II), S(II).