Across
- 2. Two or more atoms with a charge.
- 5. Element that already has a full outer shell so is very non-reactive.
- 6. Amount of energy contained in a crystal lattice.
- 8. Do not form a pattern according to group number.
- 11. One atom with a charge.
- 14. When an ion is formed the ____ of the element change.
- 16. Name given to many ionic compounds.
Down
- 1. Tightly packed structure of ions.
- 3. Atom or molecule that has a charge because it has lost or gained an electron.
- 4. Elements tend to be stable with 8 outer shell electrons.
- 7. Ion with a positive charge.
- 9. Ion with a negative charge.
- 10. Tend to form anions.
- 12. Does not change when elements form ions.
- 13. Ionic compounds are ______ in charge.
- 15. Tend to form cations.