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Atomic Structure of Neptunium and Bismuth

Neptunium
Bismuth
Atomic Structure of Bismuth and Neptunium


Atomic Properties
Atomic Number
93   
25
83   
33
Electron Configuration
[Rn] 5f4 6d1 7s2   
[Xe] 4f14 5d10 6s2 6p3   
Crystal Structure
Orthorhombic (ORTH)   
Rhombohedral (RHO)   
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
RHO-Crystal-Structure-of-Bismuth.jpg#100   
Atom
  
  
Number of Protons
93   
25
83   
33
Number of Neutrons
144   
14
126   
18
Number of Electrons
93   
25
83   
33
Radius of an Atom
  
  
Atomic Radius
155.00 pm   
30
156.00 pm   
29
Covalent Radius
190.00 pm   
18
148.00 pm   
36
Van der Waals Radius
221.00 pm   
22
207.00 pm   
26
Atomic Weight
237.00 amu   
22
208.98 amu   
29
Atomic Volume
11.62 cm3/mol   
99+
21.30 cm3/mol   
14
Adjacent Atomic Numbers
  
  
Previous Element
Uranium
  
Lead
  
Next Element
Plutonium
  
Polonium
  
Valence Electron Potential
96.00 (-eV)   
9
41.90 (-eV)   
99+
Lattice Constant
666.30 pm   
3
667.40 pm   
2
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
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