The Periodic Table

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Across
  1. 2. Chemical symbol Cu. Used in wires.
  2. 3. Chemical symbol Na.
  3. 6. Chemical symbol H.
  4. 8. Chemical symbol C. Found in the form of coal or even diamonds.
  5. 11. The least common state of matter (at room temp) in the table.
  6. 15. Chemical symbol Ca.
  7. 16. Chemical symbol Mg.
  8. 18. The most common state of matter (at room temp) in the table.
  9. 20. Chemical symbol Hg. One of the few elements that is liquid at room temperature.
  10. 21. Column in a periodic table.
Down
  1. 1. Chemical symbol Br. One of the few elements that is liquid at room temperature.
  2. 4. Chemical symbol Cl.
  3. 5. Chemical symbol K. Bananas are a good source.
  4. 7. Used in party balloons and is a noble gas.
  5. 9. The element we breathe in.
  6. 10. Chemical symbol Au. It is extremely valuable.
  7. 12. Row in a periodic table.
  8. 13. One type of atom. Periodic tables are include them.
  9. 14. Chemical symbol Ag. Silvery white metal.
  10. 17. the second most common state of matter (at room temp) in the table.
  11. 19. Chemical symbol Fe.