Neptunium

Last updated Mar 31, 2023 Edit Source

#chemic/Element [GroupName:: Actinide-Group]

[Name-en::Neptunium] [Name-de::Neptunium] (Abbr::Np) [Weight-u::237.0482] [AtomRadius::0] [Atom-Vol-ccm-mol::11.62] [Unknown2::0] [Radius-nm::6.19] [Electronegative::1.4] [Density::20.4] [MeltingPoint-C::640] [BoilingPoint-C::3902] [HeatCapacity::0.12] [HeatConduct::0.063] [Enthalpy::5.19] [FormEnergy-kj-mol::0] (PeriodNo::7) (GroupNo::27) [] (Charge-e::93)