Across
- 1. _____ is on Period 2 and has 6 valence e-.
- 3. _____ is on Period 3 and has 7 valence e-.
- 5. Ionic compounds are _____ at room temperature.
- 7. magnesium bromide
- 9. Ionic compounds have _____ melting points.
- 12. _____ compounds form between metals and nonmetals.
- 15. fluoride Al1F3
- 16. _____ is on Period 3 and has a charge of +3.
- 18. Metals are on the _____ side of the table.
Down
- 2. _____ always have a negative charge.
- 4. _____ is on Period 3 and has 2 valence e-.
- 6. _____ is on Period 2 and has a charge of +1.
- 8. sulfide Be1S1
- 10. _____ is on Period 2 and has a charge of -1.
- 11. Ionic compounds conduct when _____ or melted.
- 13. sodium oxide
- 14. Nonmetals are on the _____ side of the table.
- 17. _____ always have a positive charge.