[Atom]
AtomicRadius=1.5
EName=Helium
ElectronConfiguration1=1s(2)
ElectronConfiguration2=1s(2)
FoundYear=1895
JName=ヘリウム
NameOrigin=ギリシャ語の「太陽(helios)」
NameOrigin2=ギリシャ語の「太陽(helios)」
Z=2
charge=0
mass=4.002602
name=He

[Busing]
ai=1.156
bi=0.115
charge=0
ci=4.76
rad=1.2

[Material]
BoilingPoint=-268.9
Density=0.179
ElectronAffinity=0
HeatCapacity=
IonizationPotential=24.587
MeltingPoint=-272.2