Across
- 3. Referred to as the 'King of Elements'
- 5. It is used to treat swimming pool water
- 7. Discovered by Henry Cavendish
- 9. Electronic configuration [He]2s1
- 11. Used in pharmaceuticals and saline drips.
- 12. Used in the kitchen
- 13. Atomic number is twelve
- 14. Atomic number of Neon
Down
- 1. Humans breathe on this gas
- 2. Sodium is derived from the word?
- 3. Atomic number is twenty
- 4. Used in gears and cogs particularly in the aviation industry.
- 6. The name is derived from the Latin 'fluere', meaning to flow
- 8. Makes up 78% of the air
- 10. Used to fill decorative balloons, weather balloons and airships.