Matter and mixtures - Topics 1-3

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Across
  1. 2. Particles _____________ each other
  2. 6. Type of matter where the particles are relatively close together
  3. 8. Appear on the periodic table (oxygen, nitrogen, gold, etc)
  4. 11. Each _________ substance has its own kind of particle, different from the particles of other pure substances
  5. 12. Planetary model of the atom
  6. 14. Center of the atom
  7. 16. Process of decomposing a chemical compound by passing an electrical current through it.
  8. 19. Workplace Hazardous Materials and Information System
  9. 20. Type of mechanical mixture with fine particles evenly distributed through another substance (clouds)
  10. 22. Plum pudding model of the atom
  11. 23. Negatively charged particle in the atom cloud
  12. 25. Type of matter where the particles are the furthest apart
  13. 26. Type of mechanical mixture with large particles that will settle (charcoal in water)
  14. 29. Uncharged particle in the atomic nucleus
  15. 30. Positively charged particle in the atomic nucleus
Down
  1. 1. Solid, liquid and gas; has a mass and a volume
  2. 3. Effect produced when light scatters through a colloid
  3. 4. Particles at a __________ temperature move faster on average than particles at a lower temperature
  4. 5. Type of reaction where no new substance is produced
  5. 7. Synonym for mechanical mixture
  6. 9. Model of the atom currently used (Schrodinger and de Broglie)
  7. 10. Solar system model of the atom
  8. 11. All matter is made up of tiny __________
  9. 13. Type of mechanical mixture with liquids dispersed through liquids (mayonnaise)
  10. 15. Synonym for a solution
  11. 17. Pure substances such as salt, sugar and water
  12. 18. Substance that contains 2 or more pure substances
  13. 21. Particles are always ______________
  14. 24. Type of reaction where a new substance is produced
  15. 27. Type of matter that has a defined shape and form
  16. 28. Type of mechanical mixture such as granite