1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f14 5d7 6s2
[Xe] 4f4 6s2
1.3 Crystal Structure
Face Centered Cubic (FCC)
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
136.00 pm181.00 pm
112
265
1.5.2 Covalent Radius
141.00 pm201.00 pm
96
260
1.5.3 Van der Waals Radius
202.00 pm229.00 pm
139
348
1.6 Atomic Weight
192.22 amu144.24 amu
6.94
294
1.7 Atomic Volume
9.53 cm3/mol20.60 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
140.00 (-eV)43.40 (-eV)
8
392.42
1.10 Lattice Constant
383.90 pm365.80 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