Atomic Structure of Technetium and Actinium
Electron Configuration
[Kr] 4d5 5s2
  
[Rn] 6d1 7s2
  
Crystal Structure
Hexagonal Close Packed (HCP)
  
Face Centered Cubic (FCC)
  
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100
  
FCC-Crystal-Structure-of-Actinium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Covalent Radius
Not Available
  
Van der Waals Radius
Not Available
  
Atomic Volume
8.50 cm3/mol
  
99+
22.54 cm3/mol
  
11
Adjacent Atomic Numbers
  
  
Valence Electron Potential
180.00 (-eV)
  
3
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