Chemistry revision

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Across
  1. 2. outer shell electron
  2. 3. row on the table where elements share properties
  3. 6. positively charged ion
  4. 11. brittle, poor conductor, water soluble
  5. 12. sea involved in metallic bonds
  6. 13. metals
  7. 16. ____ metal
  8. 17. metal & nonmetal
  9. 19. property of a metal
Down
  1. 1. negatively charged ion
  2. 4. negatively charged particle
  3. 5. positively charged nucleon
  4. 6. where electrons are shared
  5. 7. how easily a substance can share electrons
  6. 8. neutral nucleon
  7. 9. shiny, ductile, malleable, conductor
  8. 10. electrons are found in these
  9. 14. column on the table where elements share properties
  10. 15. more than one atom
  11. 18. the central core of an atom