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Atomic Structure of Thallium and Polonium

Thallium
Polonium
Atomic Structure of Polonium and Thallium


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