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Explore Element
Element: Helium
Symbol:
He
CPK Color:
Atomic Number:
2
Atomic Mass:
4.0026
Electron Configuration:
1s2
Electron Configuration (Drawing):
Atomic Radius:
140
Ionization Energy:
24.587
Electron Affinity:
Oxidation States:
0
Standard State:
Gas
Melting Point:
0.95 c
Boiling Point:
4.22 c
Density:
0.0001785
Group Block:
Noble gas
Year Discovered:
1868
Minerals Containing Helium
Mineral Name
IMA Chemistry
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