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Atomic Structure of Uranium and Neptunium

Uranium
Neptunium
Atomic Structure of Neptunium and Uranium


Atomic Properties
Atomic Number
92   
26
93   
25
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Rn] 5f4 6d1 7s2   
Crystal Structure
Orthorhombic (ORTH)   
Orthorhombic (ORTH)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
Atom
  
  
Number of Protons
92   
26
93   
25
Number of Neutrons
146   
13
144   
14
Number of Electrons
92   
26
93   
25
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
155.00 pm   
30
Covalent Radius
196.00 pm   
14
190.00 pm   
18
Van der Waals Radius
186.00 pm   
33
221.00 pm   
22
Atomic Weight
238.03 amu   
21
237.00 amu   
22
Atomic Volume
12.59 cm3/mol   
40
11.62 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Uranium
  
Next Element
Neptunium
  
Plutonium
  
Valence Electron Potential
170.00 (-eV)   
4
96.00 (-eV)   
9
Lattice Constant
295.08 pm   
99+
666.30 pm   
3
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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