Chemistry Crossword

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Across
  1. 2. Smallest unit of an element
  2. 6. Change that forms new substances
  3. 8. Table that organizes elements
  4. 10. Neutrally charged particle in an atom
  5. 12. A substance made of only one type of atom
  6. 13. Change where no new substance is formed
  7. 15. Type of bond where electrons are shared
  8. 17. Number of protons in an atom
  9. 18. State of matter with fixed shape and volume
  10. 19. Positively charged particle in an atom
Down
  1. 1. State of matter that fills any container
  2. 3. Basic unit of a compound
  3. 4. State of matter with definite volume but no shape
  4. 5. pH above 7
  5. 7. Negatively charged particle in an atom
  6. 9. The center of an atom
  7. 11. Process where substances combine chemically
  8. 14. Symbol for water
  9. 15. Substance that speeds up a reaction
  10. 16. pH below 7