Unit B Matter and Chemical Change

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Across
  1. 4. positively charged ion
  2. 6. right of the staircase on the periodic table
  3. 7. have properties of metals and non-metals
  4. 8. left of the staircase on the periodic table
  5. 10. negatively charged subatomic particle
  6. 11. oxygen reaction where metal rusts
  7. 13. pure substance made of more than one atom
  8. 14. substances that go into a reaction
  9. 16. new substance is produced
  10. 18. Reaction that absorbs energy (gets cold)
  11. 20. pure substance made of more than one type of element
  12. 21. oxygen reaction where a substance burns
Down
  1. 1. Can be stretched when pulled
  2. 2. positively charged subatomic particle
  3. 3. basic particle of matter
  4. 5. substance can change shape without breaking
  5. 9. atom with a charge
  6. 10. Reaction that releases energy (gets warm)
  7. 12. heterogeneous solution that appears to be pure
  8. 15. substance that are the result of a reaction
  9. 17. negatively charged ion
  10. 19. neutral subatomic particle