periodic crossword ja

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