A chemical equation contains 4 hydrogen atoms and 2 oxygen atoms in the reactants. How many hydrogen and oxygen atoms should be in the products according to the law of conservation of matter? Responses 2 hydrogen atoms and 4 oxygen atoms 2 hydrogen atoms and 4 oxygen atoms 1 hydrogen atom and 1 oxygen atom 1 hydrogen atom and 1 oxygen atom, 4 hydrogen atoms and 2 oxygen atoms 4 hydrogen atoms and 2 oxygen atoms 5 hydrogen atoms and 1 oxygen atom 5 hydrogen atoms and 1 oxygen atom