Across
- 4. Elements in same column
- 5. Speeds particles up to very high energies and then collides them
- 9. Located in outermost energy levels
- 10. Salt former
Down
- 1. Elements in same row
- 2. One element changes into another through a nuclear reaction
- 3. Gases Unreactive
- 6. Far right
- 7. Can be formed
- 8. Zig Zag Line