Respuesta :

Answer:

molecule

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.