Across
- 1. : Scientist whose number represents particles in a mole
- 5. : Testable explanation in the scientific method
- 7. : Weak attraction between water molecules giving special properties
- 9. : Type of bond where atoms transfer electrons
- 11. : Neutral subatomic particle
- 14. : Uneven distribution of charge in a molecule like water
- 16. : 6.02 x 10^23 particles of a substance
- 17. : Atoms want 8 electrons in their outer shell for stability
- 18. : Negatively charged subatomic particle
Down
- 2. : Factor that can change in an experiment
- 3. : Positively charged ion
- 4. : Variable measured in response to change
- 6. : Variable changed on purpose in an experiment
- 8. : Negatively charged ion
- 10. : Group kept unchanged for comparison
- 12. : Type of bond where atoms share electrons
- 13. : Positively charged subatomic particle
- 15. : Basic unit of matter