Across
- 2. Unpaired electrons in outermost shell
- 7. Positively charged ion
- 9. Ionic compound that breaks apart into + and - ions
- 12. Unequal sharing of electrons
- 14. Equal sharing of electrons
Down
- 1. Protons + neutrons
- 3. Weakest among the bonds
- 4. Negatively charged
- 5. Atoms with different # of neutrons but same # of protons
- 6. "Water- fearing"
- 8. No charge
- 10. Give or take electrons
- 11. positively charged
- 13. Protons in nucleus