Question

Compare physical change and chemical change in terms of the arrangement of the particles and the changes in number of atoms or types of atoms?​

Answer 1

During a physical change, the arrangement of particles may change but the mass, number of atoms and number of molecules will stay the same. ... During a chemical change, the mass and number of atoms is conserved, but the number of molecules is not always the same. Chemical reactions involve large changes in energy.

Answer 2

Don not sure if you got my last email I sent you a text but different question