Across
- 3. is the substance that contains one kind of atom only.
- 4. the amount of matter in an object.
- 6. a type of change where a new substance is formed and can not be changed back.
- 7. is measuring how heavy something is compared to its size.
- 11. are _________ states of matter: solid, liquid and gas.
- 12. anything that takes up space and has mass.
- 13. a neutral subatomic particle.
Down
- 1. a type of change that does not create a new substance.
- 2. the amount of space that an object takes up.
- 5. chemical elements are arranged on the _________ table.
- 8. a negatively charged subatomic particle.
- 9. the basic unit of matter
- 10. a positively charged subatomic particle.