Periodic Table Elements

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Across
  1. 1. 6 protons; combines with oxygen to form CO2 and also pressurizes to form diamonds
  2. 3. 2 protons; fills your balloons
  3. 4. 79 protons; Olympic winners take this home
  4. 7. 28 protons; worth five cents
  5. 8. 17 protons; goes into your pool to kill bacteria
  6. 9. 80 protons; liquid metal inside your thermometer
  7. 11. 10 protons; lights up flashy signs
  8. 12. 11 protons; combines with chlorine to form salt for your fries
Down
  1. 2. 8 protons; we need to breathe this to survive!
  2. 3. 1 proton; combines with oxygen to form H2O
  3. 5. 20 protons; found in milk and builds strong bones
  4. 6. 47 protons; Second place finishes at the Olympics take this home
  5. 10. 24 protons; "everything is chrome in the future!"