Chemistry Crossword

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Across
  1. 1. Most non-reactive elements
  2. 3. A combination of two or more pure substances
  3. 4. The Substance created after a reaction
  4. 6. Mass Unit Measure of atomic mass
  5. 8. A combination of two more substances in ratio
  6. 11. Solution in a solution the solvent is water
  7. 12. Point The temperature point when a substance can starts to boil
  8. 15. Smallest part of an element
  9. 16. Ability of a substance to conduct energy or heat
  10. 19. Change The change of appearance
  11. 20. Gases Most stable and unreactive elements
Down
  1. 2. Negatively charged particle of an atom
  2. 5. Reaction When two or more substances create a reaction and a new substance
  3. 7. A state of change from gas to water
  4. 8. A cloudy mixture in which particles cannot be separated
  5. 9. A state of change from water to gas
  6. 10. System An experiment in which all products and reactants cannot escape in a given area
  7. 13. Point The point i temperature when the substance starts to melt
  8. 14. Substances that mix to create a product
  9. 17. System An experiment in which all products and reactants can escape through a given area
  10. 18. A pure substance that cannot be broken down