Chemical Change Crossword

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Across
  1. 4. change color change, smell, heat
  2. 6. part of something
  3. 7. change doesn't change the chemical properties
  4. 9. neutral charge
  5. 10. the smallest thing
Down
  1. 1. substance all of the elements of the periodic table
  2. 2. how far it stretches under stress
  3. 3. the thickness
  4. 5. negative charge
  5. 8. positive charge