CHEMISTRY

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