Matter and mixtures - Topics 1-3

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