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Atomic Structure of Uranium and 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
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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