Across
- 8. electrons are transferred from one atom to another and causes both to change
- 9. made up of minerals your body needs
- 11. the matter in which all the basic units are the same
- 12. one kind of atom
Down
- 1. non-uniform distribution of particles
- 2. occurs whenever new substances with different chemical and physical properties are formed
- 3. is formed when atoms share one or more pair of electrons
- 4. involves changing shape, physical state, size, temp throughout
- 5. uniform distribution of particles throughout
- 6. contains hydrogen and oxygen
- 7. the study of the makeup, structure, and properties of substances
- 10. substances thet are put together but not chemically combines