1
When something undergoes a change that results in a new chemical substance.
2
When something changes shape, phase, or physical appearance without becoming a new substance.
3
A type of mixture that has two or more visibly different components.
4
A type of mixture that looks the same throughout.
5
When two or more elements are bonded together.
6
Something that is made up of only one type of atom.
7
Something that has both mass and volume.
