Unit B- Matter and Chemical Change

Edit Answers
123456789101112131415161718192021222324
Across
  1. 1. Vertical columns and they have similar chemical properties
  2. 3. Positively charged particles mostly found in the nucleus
  3. 4. When two elements combine chemically in specific fixed proportions
  4. 6. Particles smaller than atoms and are also known as subatomic particles
  5. 12. A specific circular order that electrons move in
  6. 15. When the different elements that make up the mixture our not separately visible
  7. 17. These can be used to identify matter example is colour or luster
  8. 18. Cloudy mixture where the particles of a suspended substance are so small they can not separate out of the other
  9. 22. A material that can be broken down into any simpler substance
  10. 23. What elements are organized into according to their properties
  11. 24. A change of state from gas to a liquid
Down
  1. 2. A horizontal row in the periodic table numbered from 1 to 7
  2. 3. Characteristics that can be used to describe a substance
  3. 5. A change of state from solid to a liquid
  4. 7. An object may undergo the change of its appearance or state but its composition stays the same example melting
  5. 8. When the different elements that make up the mixture are visible
  6. 9. A change of state from liquid to a solid
  7. 10. Matter as a solid liquid or a gas
  8. 11. A change of state from liquid to a gas
  9. 13. A change of state from solid directly to a gas
  10. 14. Cloudy mixture where tiny particles of one substance our held within another
  11. 16. Only one kind of matter and has a unique set of properties that makes it apart from other matter
  12. 19. A change of state from gas directly to a solid
  13. 20. A combination of pure substances
  14. 21. Neutral particles mostly found in the nucleus