Group 8A:Noble Gases

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Across
  1. 2. do they have low or high melting/boiling points
  2. 5. which gas is a poor conductor of heat
  3. 6. are noble gases tasteless
  4. 7. what are neon lights used in
  5. 10. what is added to make other colors
  6. 12. do noble gases have high or low ionization energies
  7. 13. do noble gases have an odor
  8. 14. what kind of gases rarely form compounds
  9. 15. who discovered helium
  10. 16. how many noble gases are there
Down
  1. 1. what element does orange-red lights contain
  2. 3. what is helium used in
  3. 4. what are all group 8A elements
  4. 8. who discovered radon
  5. 9. which element is seperated from natural gas deposits
  6. 10. what does liquid helium cool
  7. 11. what does each noble gas emit