Helium (He)

      Name                    Last modified       Size  Description


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       Helium (He)
       Atomic number: 2
       Symbol: He
       Atomic weight: 4.0026
       Boiling Point (C): -268.9
       Melting Point (C): -269.7
       Density: .126
       heatVapor: 0.02
       heatFusion: 0.005
       Electrical Conductivity: --
       Thermal Conductivity: 0.0003
       Specific Heat Capacity: 1.25
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