Across
- 2. Very small with a negative charge
- 3. Reaction, The atoms don’t change
- 5. Mixture of elements
- 7. The smallest unit
- 8. An object used to measure temperature
- 9. the positively charged central core of an atom
- 11. A high temperature
- 13. bond, Moves from one atom to another
- 14. Equilibrium, Two objects reach the same temperature
Down
- 1. Is equal in charge as an electron but positive
- 4. Bond, Share an electron
- 6. A physical substance which occupies space
- 10. Reaction, The atoms rearrange and make something new
- 12. Is in every atomic nucleus except ordinary hydrogen
- 15. The ability to do work