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Atomic Structure of Praseodymium and Cesium


Atomic Structure of Cesium and Praseodymium


Atomic Properties

Atomic Number
59   
99+
55   
99+

Electron Configuration
[Xe] 4f3 6s2   
[Xe] 6s1   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
59   
99+
55   
99+

Number of Neutrons
82   
99+
78   
99+

Number of Electrons
59   
99+
55   
99+

Radius of an Atom
  
  

Atomic Radius
182.00 pm   
11
265.00 pm   
1

Covalent Radius
203.00 pm   
9
244.00 pm   
2

Van der Waals Radius
239.00 pm   
14
343.00 pm   
2

Atomic Weight
140.91 amu   
99+
132.91 amu   
99+

Atomic Volume
20.80 cm3/mol   
15
71.07 cm3/mol   
1

Adjacent Atomic Numbers
  
  

Previous Element
Cerium
  
Tin
  

Next Element
Neodymium
  
Barium
  

Valence Electron Potential
42.64 (-eV)   
99+
8.62 (-eV)   
99+

Lattice Constant
367.25 pm   
29
614.10 pm   
5

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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