Question

what is the smallest part of an element that still retains properties of that element?
a. mixture
b. molecule
c. atom
d. compound

Explanation:

An atom is the smallest unit of an element that retains the chemical properties of that element. A mixture is a combination of different substances, a molecule is made up of atoms and may be of a compound, and a compound is made up of two or more different - type atoms.

Answer:

C. atom