Atomic Structure of Actinium and Hafnium
Electron Configuration
[Rn] 6d1 7s2
  
[Xe] 4f14 5d2 6s2
  
Crystal Structure
Face Centered Cubic (FCC)
  
Hexagonal Close Packed (HCP)
  
Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Covalent Radius
Not Available
  
Van der Waals Radius
Not Available
  
Atomic Volume
22.54 cm3/mol
  
11
13.60 cm3/mol
  
38
Adjacent Atomic Numbers
  
  
Valence Electron Potential
38.60 (-eV)
  
99+
81.00 (-eV)
  
16
Lattice Angles
π/2, π/2, π/2
  
π/2, π/2, 2 π/3
  
Lattice C/A Ratio
Not Available