Atomic Structure of Actinium and Tantalum
Electron Configuration
[Rn] 6d1 7s2
  
[Xe] 4f14 5d3 6s2
  
Crystal Structure
Face Centered Cubic (FCC)
  
Body Centered Cubic (BCC)
  
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
10.90 cm3/mol
  
99+
Adjacent Atomic Numbers
  
  
Valence Electron Potential
38.60 (-eV)
  
99+
110.00 (-eV)
  
7
Lattice Angles
π/2, π/2, π/2
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available