Question

An_________ is the smallest particle of an element that retains the properties of the element.

Answer 1

Atom:

• The basic building block unit of matter is an atom.
• Atom is the smallest particle of an element that retains the properties of the element.
• It is the smallest particle that takes part in the chemical reaction.

Concluding statement: An atom is the smallest particle of an element that retains the properties of the element.