Across
- 3. 108 Neutrons
- 5. Atomic Mass 39
- 7. In period 6
- 8. A metalloid
- 9. In period 3
- 11. A transition metal
- 12. In group 1
- 13. 38 electrons
- 14. In period 7
Down
- 1. In group 7
- 2. Has 9 protons
- 4. In period 14
- 6. In the noble gases
- 8. In the alkaline earth metals
- 10. Atomic Number 1
