Question

What does the subscript “2” in O₂ tell you?
A. There are 2 protons in the oxygen atom
B. There are 2 electrons in the oxygen atom
C. There are 2 oxygen atoms bonded together
D. There are 2 molecules of oxygen

Answer 1

The subscript “2” in O₂ indicates that there are 2 oxygen atoms bonded together. Therefore, the correct answer is:

C. There are 2 oxygen atoms bonded together.