Across
- 2. Cannot be physically separated
- 4. The elements on the right side are called
- 6. The element/compound you start with
- 10. Gains electrons and becomes negatively charged
- 11. Has a negative charge
- 12. Electrons in the outermost energy level
- 14. Has a neutral charge
- 15. High KE- particles can separate & move throughout ex: helium
- 16. Amount of matter per unit volume
- 18. An educated guess
- 19. Low KE-particles can move around but are still close together ex:water
- 20. Liquid becomes a solid
- 22. Can be seen without changing the identity of the substance
- 23. When a compound breaks down into 2 or more simpler substance
Down
- 1. Loses electrons and become positively charged
- 3. Changes the identity of a substance
- 5. Has a positive charge
- 7. Gas becomes a liquid
- 8. Anything that has mass and can take up space
- 9. Can be physically separated
- 11. An atom's ability to attract electrons
- 13. The elements on the left side are called
- 17. A type of bond between two nonmetals
- 21. Very low KE- particles vibrate but can't move around Ex: ice