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Atomic Structure of Praseodymium and Uranium

Praseodymium
Uranium
Atomic Structure of Uranium and Praseodymium


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