Use the chemical reaction to answer the question.
2H2+O2→2H2O
There are four atoms of hydrogen ( H) before the reaction. How many atoms of hydrogen are present after the reaction?
(1 point)
Responses
A. 8
B. 5
C. 4
D. 2
D. 2
There are two atoms of hydrogen in each water molecule, so with 2 molecules of water produced, there are 4 atoms of hydrogen after the reaction.