Question

An _________ is the smallest particle of an element that takes part in a chemical reaction.

Answer 1

Atom: -

• It consists of sub-atomic particles, i.e., protons, neutrons, and electrons.
• According to Dalton's atomic theory, the atom is the smallest unit of matter that can take part in a chemical reaction.

Thus, An atom is the smallest particle of an element that takes part in a chemical reaction.