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Atomic Structure of Thallium and Mercury


Atomic Structure of Mercury and Thallium


Atomic Properties

Atomic Number
81   
35
80   
36

Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Xe] 4f14 5d10 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Rhombohedral (RHO)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
RHO-Crystal-Structure-of-Mercury.jpg#100   

Atom
  
  

Number of Protons
81   
35
80   
36

Number of Neutrons
123   
20
121   
22

Number of Electrons
81   
35
80   
36

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
151.00 pm   
32

Covalent Radius
145.00 pm   
39
132.00 pm   
99+

Van der Waals Radius
196.00 pm   
30
155.00 pm   
99+

Atomic Weight
204.38 amu   
31
200.59 amu   
32

Atomic Volume
17.20 cm3/mol   
31
14.82 cm3/mol   
35

Adjacent Atomic Numbers
  
  

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Mercury
  
Gold
  

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Lead
  
Thallium
  

Valence Electron Potential
9.60 (-eV)   
99+
28.20 (-eV)   
99+

Lattice Constant
345.66 pm   
99+
300.50 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
NA   

Lattice C/A Ratio
1.60   
6
Not Available   

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