How can you use evidence to determine if a change is physical or chemical?

Physical change is the color, shape stuff like that and chemical change is once it’s changed it can’t go back

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic