A. atoms created during a chemical reaction must have the same mass as the atoms in the reactants
B. atoms can be rearranged during a chemical reaction but cannot be added or taken away
C. new molecules cannot be formed from the reactants during a chemical reaction
D. the total of number of molecules before and after a chemical reaction stays the same
1 answer
According to the Law of Conservation of Matter, the correct statement is:
B. atoms can be rearranged during a chemical reaction but cannot be added or taken away.
This law states that matter cannot be created or destroyed in a closed system, so the total number of atoms remains constant, although they can rearrange to form different molecules.
