Across
- 2. shatters easly
- 5. the chang in shape size
- 7. hass a positive charge
- 10. a pice of the five pices of evidence
- 12. substance atoms rearrange
- 15. more stable
- 16. determines the stability or an element
- 19. when a substance starts bubbling/steaming not cause of an outside source
- 20. more reactive
Down
- 1. both has the mass of 1amu
- 3. electricity and heat do not pass through it dull not shiny
- 4. has a negitive charge
- 6. when a substance starts to spark/glow
- 8. located in the center of an atom
- 9. can be bent or hammered
- 11. neeutral charge
- 13. sodium metal + chlorine gas
- 14. how many energy levels the atom has
- 17. when a substance changes to an unusal color
- 18. shiny