Periodic table

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Across
  1. 4. HAS AN ATOMIC NUMBER OF 1
  2. 6. BANANA
  3. 7. THE PLANET SUPERMAN IS FROM
  4. 10. MADE FROM LIMESTONE
  5. 12. THE BURNING STONE
Down
  1. 1. PIRATES TREASURE
  2. 2. THE CHEMICAL YOU FIND IN THE POOL
  3. 3. NOBLE GAS THAT IS CONSIDERD LIGHT
  4. 5. IN THE SAME GROUP AS GOLD
  5. 8. THE AIR WE BREATH
  6. 9. 5 CENTS
  7. 11. SILVERY WHITE METAL THAT ONLY EXIST IN NATURE