Across
- 6. Gas that turns limewater milky
- 8. Positively charged subatomic particle
- 11. Unit for amount of substance
- 15. Atoms with same protons, different neutrons
- 18. Change from liquid to gas
- 19. Gas from acid and metal reaction
- 20. Sound in test for hydrogen
Down
- 1. Method to separate soluble solid from solution
- 2. Salt from hydrochloric acid
- 3. pH less than 7
- 4. Reaction between acid and base
- 5. Process when gas turns into liquid
- 7. Substance with only one type of atom
- 9. Method to separate colored dyes
- 10. Simplest ratio of atoms in a compound
- 12. Number in front of formula in a balanced equation
- 13. Central part of an atom
- 14. 6.02 × 10²³ particles
- 16. State of matter with fixed shape and volume
- 17. State with fast, random-moving particles