Chemistry Crossword

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Across
  1. 4. A chemical reaction that releases heat
  2. 8. Symbol of B
  3. 10. Has a symbol of H
  4. 11. a table where the elements are orginized
  5. 15. In between a metal and a non-metal
  6. 17. The slowest chemical change
  7. 19. The celestial body of silver
  8. 21. A neutral particle in an atom
  9. 22. mass Mass of one atom
  10. 24. Symbol of Kr and Supermans homeworld
Down
  1. 1. A catalyst involving living things
  2. 2. Symbol of Ag
  3. 3. dull brittle element that doesn't conduct electricity
  4. 5. A chemical reaction that absorbs heat
  5. 6. anything that has mass and occupies space
  6. 7. Element symbol is Au
  7. 9. The symbol of Mercury
  8. 12. Negatively charged subatomic particle
  9. 13. Ability of a substance to conduct electricity
  10. 14. Symbol for Neon
  11. 16. Amount of mass in a given area
  12. 18. Zinc
  13. 20. A pure substance that can't be broken down into other substances
  14. 23. The symbol of Oxygen
  15. 24. Symbol for Potassium