Across
- 3. Negative particles outside the nucleus
- 5. Symbol is for chlorine is
- 7. Covalent only share between
- 9. Across Periodic table
- 12. Has protons and neutrons
- 14. what does the periodic table increase by
- 15. Down the periodic table
Down
- 1. The periodic table is mostly
- 2. Ionic shares with
- 4. Share electrons
- 6. Transfer elections
- 8. smallest unit
- 10. positive in the nucleus
- 11. chemical bonds held together in groups are
- 13. Neutral within the nucleus