* Diatomic molecules: These are molecules made of two atoms of the same element. Examples include:
* Hydrogen (H₂)
* Nitrogen (N₂)
* Oxygen (O₂)
* Fluorine (F₂)
* Chlorine (Cl₂)
* Bromine (Br₂)
* Iodine (I₂)
* Polyatomic molecules: These are molecules made of more than two atoms of the same or different nonmetals. Examples include:
* Carbon dioxide (CO₂)
* Water (H₂O)
* Ammonia (NH₃)
* Methane (CH₄)
* Sulfur dioxide (SO₂)
* Ozone (O₃)
* Phosphine (PH₃)
* Silicon dioxide (SiO₂)
It's important to remember that nonmetal molecules can also be covalent compounds, which means they are formed by sharing electrons between atoms.
