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