1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Rn] 5f13 7s2
[Rn] 5f9 7s2
1.3 Crystal Structure
Not Known
Double Hexagonal Close Packed (DHCP)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
1.4.2 Number of Neutrons
1.4.3 Number of Electrons
1.5 Radius of an Atom
1.5.1 Atomic Radius
1.5.2 Covalent Radius
1.5.3 Van der Waals Radius
1.6 Atomic Weight
258.00 amu247.00 amu
6.94
294
1.7 Atomic Volume
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
1.10 Lattice Constant
NA341.60 pm
228.58
891.25
1.11 Lattice Angles
1.12 Lattice C/A Ratio