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Atomic Structure of Uranium and Protactinium

Uranium
Protactinium
Atomic Structure of Protactinium and Uranium


Atomic Properties
Atomic Number
92   
26
91   
27
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Rn] 5f2 6d1 7s2   
Crystal Structure
Orthorhombic (ORTH)   
Tetragonal (TETR)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   
Atom
  
  
Number of Protons
92   
26
91   
27
Number of Neutrons
146   
13
122   
21
Number of Electrons
92   
26
91   
27
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
163.00 pm   
25
Covalent Radius
196.00 pm   
14
200.00 pm   
11
Van der Waals Radius
186.00 pm   
33
243.00 pm   
11
Atomic Weight
238.03 amu   
21
231.04 amu   
24
Atomic Volume
12.59 cm3/mol   
40
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Thorium
  
Next Element
Neptunium
  
Uranium
  
Valence Electron Potential
170.00 (-eV)   
4
92.00 (-eV)   
11
Lattice Constant
295.08 pm   
99+
392.50 pm   
23
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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