3
Here are brief examples:
Monatomic element: Helium (He) – exists as single atoms.
Diatomic element: Oxygen (O ) – two atoms bonded together.
Triatomic element: Ozone (O ) – three oxygen atoms bonded together.
Added 270 days ago|7/18/2025 9:25:07 AM
This answer has been confirmed as correct and helpful.