1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f14 5d6 6s2
[Xe] 4f6 6s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Rhombohedral (RHO)
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
133.80 pm180.00 pm
112
265
1.5.2 Covalent Radius
1.5.3 Van der Waals Radius
216.00 pm229.00 pm
139
348
1.6 Atomic Weight
190.23 amu150.36 amu
6.94
294
1.7 Atomic Volume
8.49 cm3/mol19.95 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
91.40 (-eV)44.80 (-eV)
8
392.42
1.10 Lattice Constant
273.44 pm362.10 pm
228.58
891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
1.12 Lattice C/A Ratio