Across
- 2. A molecule made up of atoms of only one element
- 5. A state of matter
- 6. A state of matter
- 7. Changing from a solid to a liquid
- 12. Name of an element that is also a shade of blue
- 13. Named after a scientist who was named Albert
- 15. Has a nucleus at its center
- 17. Element with the chemical symbol of Na
- 19. A gas often found in balloons
- 20. Element with the chemical symbol of Fe
Down
- 1. A metal that is a silvery-white colour
- 3. Element with the chemical symbol of Ti
- 4. A particle in an atom with a negative charge
- 8. Changing from a liquid to a gas
- 9. A particle in a nucleus with no charge
- 10. Element with the chemical symbol of C
- 11. A particle in an atom with a positive charge
- 14. Element often found in atomic bombs
- 16. A state of matter
- 18. Element that is the liquid found in thermometers