Type in the correct symbol for each of these elements. Remember that whether a letter is upper or lower case matters.

1. Hydrogen

   
   
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2. Helium

   
   
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3. Lithium

   
   
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4. Beryllium

   
   
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5. Boron

   
   
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6. Carbon

   
   
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7. Nitrogen

   
   
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8. Oxygen

   
   
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9. Fluorine

   
   
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10. Neon

    
    
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11. Sodium

    
    
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12. Magnesium

    
    
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13. Aluminum

    
    
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14. Silicon

    
    
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15. Phosphorus

    
    
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16. Sulfur

    
    
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17. Chlorine

    
    
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18. Argon

    
    
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19. Potassium

    
    
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20. Calcium

    
    
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21. Scandium

    
    
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22. Titanium

    
    
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23. Vanadium

    
    
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24. Chromium

    
    
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25. Manganese

    
    
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26. Iron

    
    
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27. Cobalt

    
    
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28. Nickel

    
    
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29. Copper

    
    
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30. Zinc

    
    
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31. Gallium

    
    
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32. Germanium

    
    
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33. Arsenic

    
    
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34. Selenium

    
    
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35. Bromine

    
    
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36. Krypton

    
    
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37. Rubidium

    
    
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38. Strontium

    
    
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39. Silver

    
    
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40. Cadmium

    
    
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41. Tin

    
    
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42. Antimony

    
    
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43. Iodine

    
    
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44. Xenon

    
    
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45. Cesium

    
    
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46. Barium

    
    
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47. Tungsten

    
    
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48. Platinum

    
    
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49. Gold

    
    
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50. Mercury

    
    
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51. Lead

    
    
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52. Uranium

    
    
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