Atom in Class 9 Science : Practice MCQ Questions & Answers with Explanations

2 practice sets · Page 1 of 1

What is an atom?

The smallest particle of an element

A particle of a compound

A type of molecule

A part of a molecule

View Answer

Correct Answer: A — The smallest particle of an element

Explanation:

An atom is the smallest particle of an element that retains its chemical properties.

What is the basic unit of matter?

Proton

Molecule

Atom

Neutron

View Answer

Correct Answer: C — Atom

Explanation:

The atom is the basic unit of matter.