1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Rn] 5f2 6d1 7s2
[Xe] 4f9 6s2
1.3 Crystal Structure
Tetragonal (TETR)
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
163.00 pm178.00 pm
112
265
1.5.2 Covalent Radius
200.00 pm192.00 pm
96
260
1.5.3 Van der Waals Radius
243.00 pm229.00 pm
139
348
1.6 Atomic Weight
231.04 amu162.50 amu
6.94
294
1.7 Atomic Volume
15.00 cm3/mol19.00 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
92.00 (-eV)47.40 (-eV)
8
392.42
1.10 Lattice Constant
392.50 pm359.30 pm
228.58
891.25
1.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
1.12 Lattice C/A Ratio