Across
- 1. number of protons
- 4. particles dispersed evenly
- 6. positively charged ion
- 8. flammability,acidity,reactivity
- 11. colloids shine
- 12. transfer of electrons
- 14. close to the accepted value
- 15. time it takes to reach half original value
- 17. color,shape,luster
- 18. heat absorbed
- 19. close to each other
- 20. 6.02x10^23
Down
- 2. sharing of electrons
- 3. negatively charged ion
- 5. heat released
- 7. solid produced during reaction
- 9. mass in amu
- 10. total energy
- 13. solid to gas
- 16. particles settle out