Atomic Structure of Cerium and Tantalum
Electron Configuration
[Xe] 4f1 5d1 6s2
  
[Xe] 4f14 5d3 6s2
  
Crystal Structure
Double Hexagonal Close Packed (DHCP)
  
Body Centered Cubic (BCC)
  
Crystal Lattice
DHCP-Crystal-Structure-of-Cerium.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Weight
140.12 amu
  
99+
Atomic Volume
20.67 cm3/mol
  
17
10.90 cm3/mol
  
99+
Adjacent Atomic Numbers
  
  
Valence Electron Potential
41.78 (-eV)
  
99+
110.00 (-eV)
  
7
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available