C4

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Across
  1. 1. ionic compounds have a ... melting point
  2. 3. sub-atomic particle with positive charge
  3. 7. A mixture of 2 or more elements, chemically bonded
  4. 9. the type of reaction that occurs when two solutions react to form a solid
  5. 10. A charged particle
  6. 11. a bond between two non-metals
  7. 12. element with the chemical symbol Al
  8. 13. something made up of 1 type of atom
  9. 14. sub-atomic particle that has no charge
  10. 16. scientist who arranged the elements into the periodic table
  11. 17. sub-atomic particle with negative charge
  12. 18. the part of the atom made up of protons and neutrons
Down
  1. 2. first element on the periodic table
  2. 4. the gaining of an electron
  3. 5. the loss of an electron
  4. 6. element with the chemical symbol Na
  5. 8. the type of reaction that occurs when a halogen is added to a solution of a compound containing a less reactive halogen
  6. 9. table of all the elements (two words)
  7. 15. the scientist who created the law of octaves
  8. 19. chemical symbol of chlorine