Atomic Structure of Erbium and Actinium
Electron Configuration
[Xe] 4f12 6s2
  
[Rn] 6d1 7s2
  
Crystal Structure
Hexagonal Close Packed (HCP)
  
Face Centered Cubic (FCC)
  
Crystal Lattice
HCP-Crystal-Structure-of-Erbium.jpg#100
  
FCC-Crystal-Structure-of-Actinium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Covalent Radius
Not Available
  
Atomic Weight
167.26 amu
  
99+
Atomic Volume
18.40 cm3/mol
  
25
22.54 cm3/mol
  
11
Adjacent Atomic Numbers
  
  
Valence Electron Potential
49.00 (-eV)
  
29
38.60 (-eV)
  
99+
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available