Across
- 3. Liquid turning solid
- 4. Amount of matter in object
- 6. Substance that dissolves another
- 9. Center of an atom
- 11. Scale measuring acidity
- 12. Soft reactive metal
- 15. Substance that donates protons
- 16. Liquid turning into vapor
- 20. Energy transfer due to temperature difference
- 21. Solid turning into liquid
- 23. Substance that accepts protons
- 24. NaCl compound
- 25. Force of gravity on an object
Down
- 1. H₂O compound
- 2. Force per unit area
- 5. Homogeneous mixture
- 7. Amount of space occupied
- 8. Neither acidic nor basic
- 10. Greenish-yellow halogen gas
- 13. Substance being dissolved
- 14. Mass per unit volume
- 17. Basic building block of matter
- 18. Measure of heat energy
- 19. Gas turning into liquid
- 22. Rapid vaporization process