Na2O
____________________
____________________
Fe2O3
____________________
____________________
Al2O3
____________________
(
____________________
)
____________________
K2O
____________________
____________________
Hg2O
____________________
____________________
Ni2O2
____________________
____________________
Co2O3
____________________
(
____________________
)
____________________
Be2O2
____________________
____________________
Au2O
____________________
____________________
Mg2O2
____________________
____________________
Pt2O4
____________________
(
____________________
)
____________________
Mn2O3
____________________
____________________
Cr2O2
____________________
____________________
Ag2O
____________________
____________________