Chemistry Crossword

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Across
  1. 4. each element has their own unique _____
  2. 5. an atom with the same number of protons as another, but a different amount of neutrons
  3. 6. reaction when energy is absorbed
  4. 7. negative charged ion
  5. 10. a change where nothing new is formed
  6. 11. a substance shown on the periodic table that cant be broken down into smaller parts
  7. 13. bond between 2 nonmetals
  8. 14. a charged particle
  9. 15. inside the nucleus with positive charge
Down
  1. 1. reaction when energy is released
  2. 2. bond between a metal and a nonmetal
  3. 3. inside the nucleus with no charge
  4. 8. a change where something new is formed through breaking of chemical bonds
  5. 9. surrounding the nucleus, has a negative charge
  6. 12. positive charged ion