periodic crossword ja

12345678910111213141516171819
Across
  1. 5. the number of protons is the ______ number
  2. 8. what element has the atomic number of 8
  3. 10. a good diagram we use is the ____ diagram
  4. 11. number of electrons that have been lost or gained
  5. 13. these elements are found right of the periodic staristep
  6. 15. when 2 metals combine it forms a ______ bond
  7. 17. group 17 on the periodic table is called what
  8. 19. a atom with 6 protons and 8 neutrons
Down
  1. 1. particle with a positive charge
  2. 2. when nonmetals bond with metals it has a _____ bond
  3. 3. nonmetals are ____ conductors
  4. 4. nonmetals found in group 18 are _____ gases
  5. 6. when 2 nonmetals bond it is a ______ bond
  6. 7. these elements conduct electricity well
  7. 9. most metals are _____
  8. 12. a atom with 2 neutrons and 1 proton
  9. 14. most nonmetals are _____
  10. 16. a atom with 17 electrons an 18 neutrons
  11. 18. particle with a neutral charge