Use the chemical reaction to answer the question.
There are four atoms of hydrogen (HH ) before the reaction. How many atoms of hydrogen are present
after the reaction?
2H2 + O2 → 2H2O 2H2 + O2 → 2H2O
There are four atoms of hydrogen (HH ) before the reaction. How many atoms of hydrogen are present
after the reaction?
2H2 + O2 → 2H2O 2H2 + O2 → 2H2O