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Atomic Structure of Thorium and Polonium

Thorium
Polonium
Atomic Structure of Polonium and Thorium


Atomic Properties
Atomic Number
90   
28
84   
32
Electron Configuration
[Rn] 6d2 7s2   
[Xe] 4f14 5d10 6s2 6p4   
Crystal Structure
Face Centered Cubic (FCC)   
Monoclinic (MON)   
Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100   
MON-Crystal-Structure-of-Polonium.jpg#100   
Atom
  
  
Number of Protons
90   
28
84   
32
Number of Neutrons
142   
15
125   
19
Number of Electrons
90   
28
84   
32
Radius of an Atom
  
  
Atomic Radius
179.80 pm   
15
168.00 pm   
23
Covalent Radius
206.00 pm   
7
140.00 pm   
99+
Van der Waals Radius
237.00 pm   
15
197.00 pm   
29
Atomic Weight
232.04 amu   
23
209.00 amu   
28
Atomic Volume
19.90 cm3/mol   
20
22.23 cm3/mol   
13
Adjacent Atomic Numbers
  
  
Previous Element
Actinium
  
Bismuth
  
Next Element
Protactinium
  
Francium
  
Valence Electron Potential
59.30 (-eV)   
23
Not Available   
Lattice Constant
508.42 pm   
14
335.90 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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