Across
- 3. gas to solid
- 4. Liquid to gas
- 5. An atom's central core, containing protons and neutrons.
- 8. amount of space occupied by an object
- 11. the degree of compactness of a substance.
- 13. A group of atoms bonded together
- 14. basic unit of matter
Down
- 1. used to measure the volume of a liquid
- 2. a lipped cylindrical glass container for laboratory use.
- 6. Gas to liquid
- 7. A small particle in the nucleus of the atom, with no electrical charge
- 9. Gas to liquid
- 10. positively charged particle
- 12. solid, liquid, gas, plasma
