[Atom] AtomicRadius=1.97 EName=Calcium ElectronConfiguration1=1s(2)2s(2)2p(6)3s(2)3p(6)4s(2) ElectronConfiguration2=1s(2)2s(2)2p(6)3s(2)3p(6)4s(2) FoundYear=1808 JName=カルシウム NameOrigin=ラテン語の「石灰(calx)」 NameOrigin2=ラテン語の「石灰(calx)」 Z=20 charge=0 mass=40.078 name=Ca [Busing] ai=1.44 bi=0.08 charge=2 ci=10 rad=0.8 [Material] BoilingPoint=1487 Density=1.54 ElectronAffinity=0 HeatCapacity=0.149 IonizationPotential=6.113 MeltingPoint=848