Periodic table

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Across
  1. 4. A light metal that burns incredibly hot
  2. 5. A person who really dislikes cash, nickels and pennies
  3. 6. A beautiful colour prized by artists
  4. 7. Play title Blank and old Lace
  5. 12. Home of the Man of Steel
  6. 14. Found in milk and multivitamins
  7. 15. A star fuses this gas to make helium
  8. 18. Yellow, causes acid rain and the cat did it
  9. 19. 1950's cars had lots of this
  10. 21. The god who gave humanity the gift of fire
  11. 22. A light bulb filament
Down
  1. 1. Don't brush your teeth with this stuff
  2. 2. A place where the sun is warm
  3. 3. Shine bright, the lights of Vegas
  4. 8. Relativity speaking, this guy was smart
  5. 9. A old underworld word for a policeman
  6. 10. Many a brides broken hearts were made from this
  7. 11. Mom's brother lives here
  8. 13. The heavier part of water
  9. 16. This was a planet, a dog and blows up real good
  10. 17. If they are not here then they blank
  11. 20. A planet or a god