Across
- 3. spaced occupied by the gas particles
- 5. turns blue litmus paper to red
- 6. positively charged element
- 8. positively charged particle
- 9. chemistry of life
- 13. dispersed particles
- 14. combination of acid and bases
- 16. they transform materials into gold
- 18. heat is released
- 19. it penetrates the wall of the colloidal system
- 21. study of matter and the changes it undergoes
- 22. use of filtering materials
- 26. negatively charged particle
- 27. basic unit of matter
- 28. negatively charged element
Down
- 1. malleable
- 2. semi-conductors
- 4. contains dispersed particle and dispersing medium
- 7. non-malleable
- 8. force exerted by the gas molecules
- 10. chemical abstract society
- 11. heat is absorbed
- 12. average kinetic energy of the gas particles
- 15. pounds per square inch
- 17. charged elements
- 20. dispersing medium
- 23. international union of pure and applied chemistry
- 24. sticks to the surface of the colloidal system
- 25. zero charged particle
- 28. homogeneous mixture of both solid