According to Dalton, what happens to atoms during a chemical reaction?
1. Old atoms are destroyed.
2. Atoms gain or lose energy.
3. Atoms are rearranged.
4.New atoms are created.

Respuesta :

The atoms are only rearranged !! So your answer is 3 !!

Dalton gave a theory conservation of mass that signifies this !!
Trvity

Atoms are rearranged