Across
- 1. emergent properties
- 3. charged atom
- 4. designates quantity in chemical formula
- 5. outer most shell
- 8. study of the chemical reactions of life
- 10. C-14
- 12. columns
- 15. result of 2 or more different atoms bonding
- 17. charge of a proton
- 19. increasing atomic #
- 20. zero net charge
- 21. created the Periodic Table
- 22. 2 identical atoms bonded
- 23. # of naturally occurring elements
Down
- 2. atomic number
- 3. heavy atom
- 6. negative charge
- 7. The Big 6
- 9. mass protons + neutrons
- 11. protons + neutrons
- 13. occurs between charged atoms
- 14. 99% of atom's mass
- 16. has volume & mass
- 18. 118