Yes, this is because the formula for oxygen gas is O2 which means it consist of two Oxygen (compound).
They have formed an oxide. An oxide is a compound of a metal and oxygen.
Strontium oxide is SrO.
The percentage of oxygen is 54,84 %.
h2o2
H2O A compound formed when hydrogen gas burns with oxygen.
B2o3
Strontium Oxide
sodium
Al2O3
This compound is calcium carbonate - CaCO3.
Water/H2O
Oxygen formed on earth by compound of nuclear fission of sun with helium and hydrogen.
When only potassium and oxygen, the compound usually formed has the formula K2O. Under certain conditions, a compound with formula K2O2 can also be formed.
The compound formed by magnesium and oxygen is called magnesium oxide.
carbon hydroxide
Sodium Chlorate
in Metals: compound of tae + ihi