Periodic Table

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Across
  1. 2. bananas are a great source for this element
  2. 6. best conductor of electricity
  3. 7. main element in our atmosphere
  4. 8. main element that makes up water
  5. 11. makes superman weak and is a noble gas
  6. 12. can be explosive and known to be the most dangerous element
  7. 13. the most reactive alkali metal
  8. 16. has the highest density
  9. 18. has the same name as a planet
  10. 19. has the lowest melting point
Down
  1. 1. has the highest melting point of ALL metals
  2. 3. can be used for an antiseptic
  3. 4. has the highest melting point of the LIGHT metals
  4. 5. main element found in fertilizers
  5. 9. element that is most like silicon
  6. 10. the most electronegative element
  7. 14. diamonds are made of me
  8. 15. the strongest diamagnetic element
  9. 17. found in pencils to write