#Particles do not change, just changing spacing or other parameters of the Particles |
#Particles does change and creates a new set or set(s) of particles (grouping of atoms). Usually this is accomplished by valence electrons being shared or transferred between atoms differently than before. |
Chemical Change
Changes in Energy
IMPORTANT: Lavoisier's principle of the Law of Conservation of Mass states that "matter cannot be created or destroyed by a chemical change."