Chemistry Crossword

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Across
  1. 2. - Primary constituents of matter
  2. 3. - Medieval forerunner of chemistry
  3. 4. - Cloudy mixture; not easily separated
  4. 5. - Stretch into a long wire
  5. 7. - Organic catalyst
  6. 10. - Cloudy Mixture; easily separated
  7. 11. - Subatomic particle with a positive charge
  8. 14. - Reactive; Non-metallic
  9. 15. - Basic unit of a chemical element
  10. 17. - Subatomic particle without a charge
  11. 19. - Helps a reaction proceed faster
  12. 21. - Reaction accompanied by the absorption of heat
  13. 23. - Has mass and occupies space
  14. 24. - Consisting of many atoms
Down
  1. 1. - Intermediate properties between Metals and solid Non-metals
  2. 6. - Oxygen reacts with a substance to form a new substance
  3. 8. - Vertical Column
  4. 9. - Composed of two or more elements
  5. 10. - Directly from solid to gas
  6. 12. - Undergoes change during a reaction
  7. 13. - Horizontal row
  8. 16. - Can be Pounded or rolled into sheets
  9. 18. - Reaction accompanied by the release of heat
  10. 20. - Subatomic particle with a negative charge
  11. 22. - A minute portion of matter