BaO
Barium oxide is formed from barium and oxygen.
Barium Oxide
The chemical fomula for dinitrogen oxide is N2O.
Barium can form both barium peroxide (BaO2) and barium oxide (BaO) depending on the conditions. Barium peroxide is formed when barium reacts with oxygen in excess. Barium oxide is commonly formed when barium reacts with oxygen in limited supply or at high temperatures.
Fe2O3
Lithium oxide is Li2O
That would be Fe2O3, or Ferrous Oxide.
BaO is Barium Oxide. Barium Oxide is used in the making of glass.
Barium oxide
Barium oxide is commonly known as baria.
Formula: Ba3N2
barium oxide i think?