Sunlight breaks apart an oxygen molecule to form separate oxygen atoms <span />
You can pick it up and move it
BaO, Barium Oxide.
Na2SO4, Sodium Sulfate.
CuO, Copper (II) Oxide.
P2O5, Diphosphorus Pentoxide.
HNO3, Nitric Acid.
CO32-, Molecular Formula.
Hope this helps. :)
Look at the liter man it’s a great way to learn how much every liquid measurement is