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Oxygen   

  • Discovered in 1774 by Joseph Priestley in Wiltshire, England and independently by Carl Wilhelm Scheele in Uppsala, Sweden

  • Atomic Radii: 48 pm

  • Melting Point: âˆ’218.79°C

  • Boiling Point: âˆ’182.962°C

 

Applications:

-scuba oxygen tank

-used to aid respiration of patients in hospitals

-rocket fuel oxidant

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