Atomic Structure of Lanthanum and Beryllium
Electron Configuration
[Xe] 5d2 6s2
  
[He] 2s2
  
Crystal Structure
Double Hexagonal Close Packed (DHCP)
  
Hexagonal Close Packed (HCP)
  
Crystal Lattice
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
  
HCP-Crystal-Structure-of-Beryllium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Weight
138.91 amu
  
99+
Atomic Volume
20.73 cm3/mol
  
16
5.00 cm3/mol
  
99+
Adjacent Atomic Numbers
  
  
Valence Electron Potential
40.71 (-eV)
  
99+
82.00 (-eV)
  
15
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, π/2