[Atom] AtomicRadius=2.26 EName=Potassium ElectronConfiguration1=1s(2)2s(2)2p(6)3s(2)3p(6)4s(1) ElectronConfiguration2=1s(2)2s(2)2p(6)3s(2)3p(6)4s(1) FoundYear=1807 JName=カリウム NameOrigin=アラビア語の「海藻の灰(qali)」英語の「海藻の灰(potash)」 NameOrigin2=アラビア語の「海藻の灰(qali)」英語の「海藻の灰(potash)」 Z=19 charge=0 mass=39.0983 name=K [Busing] ai=1.595 bi=0.08 charge=1 ci=15 rad=1.05 [Material] BoilingPoint=765.5 Density=0.86 ElectronAffinity=0.5012 HeatCapacity=0.177 IonizationPotential=4.341 MeltingPoint=63.5