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Atomic Structure of Uranium and 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
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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