2 multiple choice 1 point what is the smallest unit of an element that still retains its properties…

2 multiple choice 1 point what is the smallest unit of an element that still retains its properties? molecule solution compound atom
Answer
Brief Explanations:
An atom is the smallest unit of an element that retains its chemical properties. A molecule is made up of two or more atoms, a compound is a substance made up of different elements chemically combined, and a solution is a homogeneous mixture.
Answer:
D. Atom