periodic crossword ja

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Across
  1. 2. particle with a positive charge
  2. 3. label on the periodic table is H
  3. 5. group 17 on the periodic table is called what
  4. 7. particle with a neutral charge
  5. 8. a atom with 2 neutrons and 1 proton
  6. 10. most nonmetals are _____
  7. 13. number of electrons that have been lost or gained
  8. 16. these elements are found right of the periodic staristep
  9. 17. these elements conduct electricity well
  10. 18. nonmetals are ____ conductors
  11. 19. when nonmetals bond with metals it has a _____ bond
Down
  1. 1. when 2 nonmetals bond it is a ______ bond
  2. 4. nonmetals found in group 18 are _____ gases
  3. 6. a atom with 6 protons and 8 neutrons
  4. 9. what element has the atomic number of 8
  5. 11. most metals are _____
  6. 12. when 2 metals combine it forms a ______ bond
  7. 14. label on the periodic table is He
  8. 15. the number of protons is the ______ number