Chlorine and Hydrogen
Formula: Cl and H
Name: Hydrogen Chloride
Bond: Covalent
——————————————
Chlorine and Oxygen
Formula: Cl O2
Name: It can bond in many ways: Chlorine Monoxide, Chlorine Oxide, CIO, Chlorine (III) Oxide, Chlorine Peroxide, Cl2O2, etc.
Bond: covalent
————————————
Hydrogen and Oxygen:
Formula: H and O2
Name: Water
Bond: covalent