1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f14 5d9 6s1
[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
139.00 pm181.00 pm
112
265
1.5.2 Covalent Radius
136.00 pm201.00 pm
96
260
1.5.3 Van der Waals Radius
175.00 pm229.00 pm
139
348
1.6 Atomic Weight
47.87 amu144.24 amu
6.94
294
1.7 Atomic Volume
9.09 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
392.42 (-eV)43.40 (-eV)
8
392.42
1.10 Lattice Constant
392.42 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