Across
- 1. Amount of space occupied by an object
- 5. negatively charged particle
- 7. An atom's central core, containing protons and neutrons.
- 10. small particle in the nucleus of the atom, with no electrical charge
- 11. positively charged particle
- 12. gas to solid
- 13. Basic unit of matter
- 14. the degree of compactness of a substance.
Down
- 1. liquid to gas
- 2. solid to gas
- 3. A Group of atoms bonded together
- 4. a lipped cylindrical glass container for laboratory use.
- 6. solid, liquid, gas, plasma
- 8. gas to liquid
- 9. a change of matter from one form to another without a change in chemical properties