Atomic Structure of Thulium and Terbium
Electron Configuration
[Xe] 4f13 6s2
  
[Xe] 4f9 6s2
  
Crystal Structure
Hexagonal Close Packed (HCP)
  
Hexagonal Close Packed (HCP)
  
Crystal Lattice
HCP-Crystal-Structure-of-Thulium.jpg#100
  
HCP-Crystal-Structure-of-Terbium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Van der Waals Radius
Not Available
  
Atomic Weight
168.93 amu
  
99+
158.93 amu
  
99+
Atomic Volume
18.10 cm3/mol
  
28
19.20 cm3/mol
  
22
Adjacent Atomic Numbers
  
  
Valence Electron Potential
49.70 (-eV)
  
28
46.80 (-eV)
  
33
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, 2 π/3