Which statement correctly describes the conservation of matter in a chemical reaction?

A. Different numbers of atoms may form during the change, but the total mass is unchanged.
B. The number of molecules is conserved, so the total mass does not change.
C. Different types of atoms may form during the change, but the total mass remains constant.
D. Atoms of each element are conserved, so the total mass remains unchanged.

Question

Which statement correctly describes the conservation of matter in a chemical reaction?

 		A.	Different numbers of atoms may form during the change, but the total mass is unchanged.
 		B.	The number of molecules is conserved, so the total mass does not change.
 		C.	Different types of atoms may form during the change, but the total mass remains constant.
 		D.	Atoms of each element are conserved, so the total mass remains unchanged.

cuanchi · Answer

D.?