1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 6s2 4f14 5d1
[Xe] 4f4 6s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
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
174.00 pm181.00 pm
112
265
1.5.2 Covalent Radius
187.00 pm201.00 pm
96
260
1.5.3 Van der Waals Radius
221.00 pm229.00 pm
139
348
1.6 Atomic Weight
174.97 amu144.24 amu
6.94
294
1.7 Atomic Volume
17.78 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
50.90 (-eV)43.40 (-eV)
8
392.42
1.10 Lattice Constant
350.31 pm365.80 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