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Atomic Structure of Uranium and Praseodymium

Uranium
Praseodymium
Atomic Structure of Praseodymium and Uranium


Atomic Properties
Atomic Number
92   
26
59   
99+
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Xe] 4f3 6s2   
Crystal Structure
Orthorhombic (ORTH)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
Atom
  
  
Number of Protons
92   
26
59   
99+
Number of Neutrons
146   
13
82   
99+
Number of Electrons
92   
26
59   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
182.00 pm   
11
Covalent Radius
196.00 pm   
14
203.00 pm   
9
Van der Waals Radius
186.00 pm   
33
239.00 pm   
14
Atomic Weight
238.03 amu   
21
140.91 amu   
99+
Atomic Volume
12.59 cm3/mol   
40
20.80 cm3/mol   
15
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Cerium
  
Next Element
Neptunium
  
Neodymium
  
Valence Electron Potential
170.00 (-eV)   
4
42.64 (-eV)   
99+
Lattice Constant
295.08 pm   
99+
367.25 pm   
29
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.61   
4
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