Across
- 4. Is a gas from Group 8A
- 7. It's symbol is NA
- 9. It was discovered in 1860
- 10. Group 1A but isn't a metal
- 13. It's atomic mass is 85.4
- 15. Has the boiling point of 1347 celsius
Down
- 1. Has the smallest atomic radius in the column 2A
- 2. It's atomic number is 19
- 3. It has the largest atomic radius
- 5. Melting point is 842 celsius
- 6. It's Atomic radius is 2.5
- 8. Has the atomic mass of 24.3
- 11. Discovered in 1790
- 12. It has a density of 5.0
- 14. Has the electronegativity of 0.9