Chemistry Crossword

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Across
  1. 4. The numerical prefix of three
  2. 5. A combination of two or more pure substance
  3. 8. An element is defined by the number of protons it has
  4. 9. The numerical prefix of two
  5. 10. Takes place when two or more substances combine to form new substances.
  6. 11. The ability of a substance to conduct electricity or heat
  7. 14. The average mass of an element
  8. 18. Not shiny, doesn’t conduct electricity and not ductile
  9. 19. Have lustre,conduct electricity and have ductility
  10. 21. The ability of a substance to be dissolved in another
  11. 22. Liquid to solid
  12. 23. The numerical prefix of one
Down
  1. 1. Workplace Hazardous Material information system
  2. 2. change Occurs when two or more materials react and create new materials. The
  3. 3. Have a high melting point
  4. 6. Pure substances formed as a result of the attraction between particles of opposite changes
  5. 7. Substance Made of only one kind of matter
  6. 9. The amount of mass in a given volume of a substance
  7. 12. A material that cannot break down into any simpler substance
  8. 13. Occurs when oxygen reacts with a substance to form a new substance and gives off energy
  9. 15. Can be in between metals and non-metals
  10. 16. The numerical prefix of five
  11. 17. An atom or a group of atoms
  12. 19. Solid to liquid
  13. 20. The numerical prefix of four