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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