Atomic Structure of Samarium and Thulium
Electron Configuration
[Xe] 4f6 6s2
  
[Xe] 4f13 6s2
  
Crystal Structure
Rhombohedral (RHO)
  
Hexagonal Close Packed (HCP)
  
Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100
  
HCP-Crystal-Structure-of-Thulium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Van der Waals Radius
Not Available
  
Atomic Weight
150.36 amu
  
99+
168.93 amu
  
99+
Atomic Volume
19.95 cm3/mol
  
19
18.10 cm3/mol
  
28
Adjacent Atomic Numbers
  
  
Valence Electron Potential
44.80 (-eV)
  
37
49.70 (-eV)
  
28
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, 2 π/3
  
Lattice C/A Ratio
Not Available