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Atomic Structure of Polonium and Thallium

Polonium
Thallium
Atomic Structure of Thallium and Polonium


Atomic Properties
Atomic Number
84   
32
81   
35
Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Xe] 4f14 5d10 6s2 6p1   
Crystal Structure
Monoclinic (MON)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
84   
32
81   
35
Number of Neutrons
125   
19
123   
20
Number of Electrons
84   
32
81   
35
Radius of an Atom
  
  
Atomic Radius
168.00 pm   
23
170.00 pm   
22
Covalent Radius
140.00 pm   
99+
145.00 pm   
39
Van der Waals Radius
197.00 pm   
29
196.00 pm   
30
Atomic Weight
209.00 amu   
28
204.38 amu   
31
Atomic Volume
22.23 cm3/mol   
13
17.20 cm3/mol   
31
Adjacent Atomic Numbers
  
  
Previous Element
Bismuth
  
Mercury
  
Next Element
Francium
  
Lead
  
Valence Electron Potential
Not Available   
9.60 (-eV)   
99+
Lattice Constant
335.90 pm   
99+
345.66 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.60   
6
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