Multiple choice

How many oxygen atoms are present in an ozone molecule?

  1. 1

  2. 2

  3. 3

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

Ozone is a molecule composed of three oxygen atoms (chemical formula O3). It differs from the common oxygen molecule (O2) that we breathe, which contains only two oxygen atoms.

Keep practicing — related questions