Atomic Structure of Lanthanum and Barium
Electron Configuration
[Xe] 5d2 6s2
  
[Xe] 6s2
  
Crystal Structure
Double Hexagonal Close Packed (DHCP)
  
Body Centered Cubic (BCC)
  
Crystal Lattice
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Weight
138.91 amu
  
99+
137.33 amu
  
99+
Atomic Volume
20.73 cm3/mol
  
16
39.24 cm3/mol
  
5
Adjacent Atomic Numbers
  
  
Valence Electron Potential
40.71 (-eV)
  
99+
21.30 (-eV)
  
99+
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available