Multiple choice

The smallest particle of an element which is capable of taking part in a chemical reaction is

  1. molecule

  2. nucleus

  3. atom

  4. matter
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An atom is the smallest unit of an element that retains its chemical properties and can participate in chemical reactions. A molecule consists of two or more atoms bonded together. The nucleus is just the central part of an atom, while matter is a general term for anything that has mass and occupies space.

Keep practicing — related questions