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Atomic Structure of Polonium and Praseodymium


Atomic Structure of Praseodymium and Polonium


Atomic Properties

Atomic Number
84   
32
59   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Xe] 4f3 6s2   

Crystal Structure
Monoclinic (MON)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100   
HCP-Crystal-Structure-of-Praseodymium.jpg#100   

Atom
  
  

Number of Protons
84   
32
59   
99+

Number of Neutrons
125   
19
82   
99+

Number of Electrons
84   
32
59   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
182.00 pm   
11

Covalent Radius
140.00 pm   
99+
203.00 pm   
9

Van der Waals Radius
197.00 pm   
29
239.00 pm   
14

Atomic Weight
209.00 amu   
28
140.91 amu   
99+

Atomic Volume
22.23 cm3/mol   
13
20.80 cm3/mol   
15

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Cerium
  

Next Element
Francium
  
Neodymium
  

Valence Electron Potential
Not Available   
42.64 (-eV)   
99+

Lattice Constant
335.90 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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