Atomic Structure of Neptunium and Samarium
Electron Configuration
[Rn] 5f4 6d1 7s2
  
[Xe] 4f6 6s2
  
Crystal Structure
Orthorhombic (ORTH)
  
Rhombohedral (RHO)
  
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100
  
RHO-Crystal-Structure-of-Samarium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Weight
150.36 amu
  
99+
Atomic Volume
11.62 cm3/mol
  
99+
19.95 cm3/mol
  
19
Adjacent Atomic Numbers
  
  
Valence Electron Potential
44.80 (-eV)
  
37
Lattice Angles
π/2, π/2, π/2
  
π/2, π/2, 2 π/3
  
Lattice C/A Ratio
Not Available
  
Not Available