Across
- 2. Metal used in galvanization
- 5. Element used in fertilizers
- 6. Alkali metal with atomic number 11
- 10. Lightest noble gas
- 12. Gas making up 78% of Earth's atmosphere
- 14. Halogen used in disinfectants
- 15. State with no definite shape or volume
- 16. Liquid to gas transition
- 17. Noble gas with atomic number 18
- 18. Basis of organic chemistry
Down
- 1. State with definite volume but no definite shape
- 3. Metal used in electrical wiring
- 4. Ionized state of matter
- 5. State with definite shape and volume
- 7. Metal used in construction
- 8. Solid to liquid transition
- 9. Liquid to solid transition
- 11. Gas to liquid transition
- 12. Noble gas with atomic number 10
- 13. Essential for respiration