Answer:
molecule
Step-by-step explanation:
Sulfur dioxide represents a molecule.
A molecule is a covalent compound that has discrete or separate units. The formula of this molecule given is:
SO₂
Here, two non-metals share their valence electrons form a covalent bond.
- An atom is the smallest indivisible particle of a substance that takes part in a chemical reaction.
- An ion is an atom that has lost or gained an electron.