N2O N(I) O(II)
P2O5 P(V) O(II)
N2O3 N(III) O(II)
CaO Ca(II) O(II)
CO2 C(IV) O(II)
SO3 S(VI) O(II)
NO N(II) O(II)
N2O N(I) O(II)
P2O5 P(V) O(II)
N2O3 N(III) O(II)
CaO Ca(II) O(II)
CO2 C(IV) O(II)
SO3 S(VI) O(II)
NO N(II) O(II)