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Atomic Structure of Thallium and 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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