Across
- 2. element that loses its electrons easily
- 6. going across --- valance electrons
- 8. highest electronegative
- 9. lose electrons
- 10. a group that has 3 valence electrons
- 11. helium is what kind of gas
Down
- 1. gains electrons
- 3. most reactive
- 4. radioactive
- 5. how well an atom gains electrons
- 7. going down the shells will