1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Rn] 5f6 7s2
[Xe] 4f3 6s2
1.3 Crystal Structure
Monoclinic (MON)
Hexagonal Close Packed (HCP)
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
159.00 pm182.00 pm
112
265
1.5.2 Covalent Radius
187.00 pm203.00 pm
96
260
1.5.3 Van der Waals Radius
200.00 pm239.00 pm
139
348
1.6 Atomic Weight
244.00 amu140.91 amu
6.94
294
1.7 Atomic Volume
12.32 cm3/mol20.80 cm3/mol
1.39
71.07
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
64.90 (-eV)42.64 (-eV)
8
392.42
1.10 Lattice Constant
618.30 pm367.25 pm
228.58
891.25
1.11 Lattice Angles
1.12 Lattice C/A Ratio