Unit B- Matter and Chemical Change

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Across
  1. 3. When the different elements that make up the mixture our not separately visible
  2. 6. Particles smaller than atoms and are also known as subatomic particles
  3. 9. When the different elements that make up the mixture are visible
  4. 11. Matter as a solid liquid or a gas
  5. 12. A change of state from liquid to a gas
  6. 13. Cloudy mixture where tiny particles of one substance our held within another
  7. 14. A change of state from liquid to a solid
  8. 15. A change of state from gas to a liquid
  9. 17. What elements are organized into according to their properties
  10. 19. Characteristics that can be used to describe a substance
  11. 22. A change of state from solid to a liquid
  12. 23. A change of state from gas directly to a solid
  13. 24. Neutral particles mostly found in the nucleus
Down
  1. 1. Positively charged particles mostly found in the nucleus
  2. 2. Only one kind of matter and has a unique set of properties that makes it apart from other matter
  3. 4. These can be used to identify matter example is colour or luster
  4. 5. An object may undergo the change of its appearance or state but its composition stays the same example melting
  5. 7. A specific circular order that electrons move in
  6. 8. A combination of pure substances
  7. 10. A horizontal row in the periodic table numbered from 1 to 7
  8. 11. A change of state from solid directly to a gas
  9. 16. Vertical columns and they have similar chemical properties
  10. 18. Cloudy mixture where the particles of a suspended substance are so small they can not separate out of the other
  11. 20. A material that can be broken down into any simpler substance
  12. 21. When two elements combine chemically in specific fixed proportions