Yes
Molar mass of all oxygen in compound/Total molar mass of compound * 100 = % oxygen in compound ==================
Oxygen is an element. It is a chemical element with the symbol O and atomic number 8.
when sulphur and oxygen are heated together they create sulphidesulphur + oxygen -> sulphideS + O2 -> SO2
not your business
No, it is not.
helium
gas
20.94 % in our atmosphere.
No, it is an element.
Hemoglobin.....
oxgyen
It needs it to breathe.