Across
- 2. by atomic mass
- 7. Down the periodic table
- 8. Across Periodic table
- 10. chemical bonds held together in groups are
- 11. Share
- 12. Symbol is for chlorine is
- 14. positive
Down
- 1. Negative
- 3. Has protons and neutrons
- 4. Transfer
- 5. 0
- 6. what does the periodic table increase by
- 9. are outside the nucleus
- 13. smallest unit