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Atomic Structure of Praseodymium and 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
  

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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