Mg(II) O(II) - MgO
Na(I) O(II) - Na2O
Li(i) O(II) - Li2O
K(I) O(II) - K2O
Fe(II) O(II) - FeO
Fe(III) O(II) - Fe2O3
P(V) O(II) - P2O5
N(V) O(II) - N2O5
Mn(III) O(II) - Mn2O3
Mg(II) O(II) - MgO
Na(I) O(II) - Na2O
Li(i) O(II) - Li2O
K(I) O(II) - K2O
Fe(II) O(II) - FeO
Fe(III) O(II) - Fe2O3
P(V) O(II) - P2O5
N(V) O(II) - N2O5
Mn(III) O(II) - Mn2O3