Why are hydrogen and oxygen written as H2 and O2?

1. They are diatomic molecules.

2. All individual elements have the subscript 2.

3. To balance the equation.

Question

8 March, 10:40

+5

Answers (2)

Know the Answer?

Irene Jarvis · Answer 1

The answer is 1, the elements are diatomic and both contain 2 atoms in the same element

Elisabeth Stokes · Answer 2

Elisabeth Stokes 8 March, 11:09

0

I think it's number 2

Why are hydrogen and oxygen written as H2 and O2?1. They are diatomic molecules.2. All individual elements have the subscript 2.3. To balance the equation.