Across
- 2. A substance that can not be broken down
- 7. From a liquid to a gas
- 9. Molecules physically intermingled
- 11. Formulated the periodic law
- 12. Quantity of matter in a physical body
- 13. A group of 2 or more atoms
- 15. Periodic table column
Down
- 1. From a solid to a liquid
- 3. Different atoms bonded together
- 4. A substance that has mass and takes up space
- 5. From a liquid to a solid
- 6. Smallest piece of matter
- 8. From a gas to a liquid
- 9. A covering for the face
- 10. A abbreviation of a element name
- 14. Disease that started in 2019
- 16. Periodic table row