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Atomic Structure of Praseodymium and Rhenium

Praseodymium
Rhenium
Atomic Structure of Rhenium and Praseodymium


Atomic Properties
Atomic Number
59   
99+
75   
99+
Electron Configuration
[Xe] 4f3 6s2   
[Xe] 4f14 5d5 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
59   
99+
75   
40
Number of Neutrons
82   
99+
111   
26
Number of Electrons
59   
99+
75   
40
Radius of an Atom
  
  
Atomic Radius
182.00 pm   
11
137.00 pm   
40
Covalent Radius
203.00 pm   
9
151.00 pm   
34
Van der Waals Radius
239.00 pm   
14
200.00 pm   
28
Atomic Weight
140.91 amu   
99+
186.21 amu   
36
Atomic Volume
20.80 cm3/mol   
15
8.85 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Cerium
  
Tungsten
  
Next Element
Neodymium
  
Osmium
  
Valence Electron Potential
42.64 (-eV)   
99+
180.00 (-eV)   
3
Lattice Constant
367.25 pm   
29
276.10 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.61   
4
1.62   
3
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