Atomic Structure of Neptunium and Terbium
Electron Configuration
[Rn] 5f4 6d1 7s2
  
[Xe] 4f9 6s2
  
Crystal Structure
Orthorhombic (ORTH)
  
Hexagonal Close Packed (HCP)
  
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100
  
HCP-Crystal-Structure-of-Terbium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Weight
158.93 amu
  
99+
Atomic Volume
11.62 cm3/mol
  
99+
19.20 cm3/mol
  
22
Adjacent Atomic Numbers
  
  
Valence Electron Potential
46.80 (-eV)
  
33
Lattice Angles
π/2, π/2, π/2
  
π/2, π/2, 2 π/3
  
Lattice C/A Ratio
Not Available