Question

5H₂

1. What number represents the coefficient?
2. What number represents the subscript?
3. What element is represented by the letter H?
4. How many total H’s are there?

Answer 1

1 H

Step-by-step explanation:

In chemistry , the chart shows that there is only on Hydrogen ( representing H) therefore the coefficient says two hydrogen and is possible that two hydrogens are used in the formulary for a specific reason