Question

cca 1 retest (8.6abe)
possible points: 7.69
during a lab activity, students compared the total number of atoms in the reactant of a chemical reaction with the total number of atoms in the product. according to the law of conservation of mass they should have found?
the number of atoms stayed the same.
the number of atoms increased.
the number of atoms decreased.

Explanation:

The law of conservation of mass states that in a chemical reaction, mass is neither created nor destroyed. Since atoms carry mass, the total number of atoms in the reactants must equal the total number of atoms in the products.

Answer:

The number of atoms stayed the same.