1 Atomic
1.1 Atomic Number
2.2 Electron Configuration
[Rn] 5f12 7s2
[Rn] 5f13 7s2
2.3 Crystal Structure
2.3.1 Crystal Lattice
2.4 Atom
2.4.1 Number of Protons
2.4.3 Number of Neutrons
2.6.1 Number of Electrons
2.8 Radius of an Atom
2.8.1 Atomic Radius
2.9.2 Covalent Radius
2.9.4 Van der Waals Radius
245.00 pm246.00 pm
139
348
2.10 Atomic Weight
257.00 amu258.00 amu
6.94
294
2.12 Atomic Volume
3.2 Adjacent Atomic Numbers
3.2.1 Previous Element
3.2.2 Next Element
3.3 Valence Electron Potential
3.4 Lattice Constant
3.6 Lattice Angles
3.7 Lattice C/A Ratio