Chemistry crossword

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Across
  1. 4. a hard,shiny,strong material
  2. 6. the organization and grouping of elements
  3. 8. Ability to be set on fire
  4. 9. The number of protons and nuetrons
  5. 12. Matter cannot be lost or created
  6. 15. A model of the atom with 3 rings
  7. 16. the rows in the periodic
  8. 17. The branch of science that deals with elements
  9. 19. a subatomic particle with a negative charge
  10. 20. The product of a solution
Down
  1. 1. The minor component in the solution
  2. 2. The columns in the periodic table
  3. 3. cannot be reversed
  4. 5. A substance produced during a chemical process
  5. 7. The number of protons and electrons in an element
  6. 10. The state or power of being reactant
  7. 11. group 18 in the periodic table the happy gases
  8. 13. Pure substance on the periodic table
  9. 14. The ability to be dissolved
  10. 18. point the temperature a given object will melt