Atomic Structure of Erbium and Praseodymium
Electron Configuration
[Xe] 4f12 6s2
  
[Xe] 4f3 6s2
  
Crystal Structure
Hexagonal Close Packed (HCP)
  
Hexagonal Close Packed (HCP)
  
Crystal Lattice
HCP-Crystal-Structure-of-Erbium.jpg#100
  
HCP-Crystal-Structure-of-Praseodymium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Van der Waals Radius
Not Available
  
Atomic Weight
167.26 amu
  
99+
140.91 amu
  
99+
Atomic Volume
18.40 cm3/mol
  
25
20.80 cm3/mol
  
15
Adjacent Atomic Numbers
  
  
Valence Electron Potential
49.00 (-eV)
  
29
42.64 (-eV)
  
99+
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, 2 π/3