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Atomic Structure of Thallium and Lead

Thallium
Lead
Atomic Structure of Lead and Thallium


Atomic Properties
Atomic Number
81   
35
82   
34
Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Xe] 4f14 5d10 6s2 6p2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Lead.jpg#100   
Atom
  
  
Number of Protons
81   
35
82   
34
Number of Neutrons
123   
20
125   
19
Number of Electrons
81   
35
82   
34
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
175.00 pm   
19
Covalent Radius
145.00 pm   
39
146.00 pm   
38
Van der Waals Radius
196.00 pm   
30
202.00 pm   
27
Atomic Weight
204.38 amu   
31
207.20 amu   
30
Atomic Volume
17.20 cm3/mol   
31
18.17 cm3/mol   
27
Adjacent Atomic Numbers
  
  
Previous Element
Mercury
  
Thallium
  
Next Element
Lead
  
Bismuth
  
Valence Electron Potential
9.60 (-eV)   
99+
24.20 (-eV)   
99+
Lattice Constant
345.66 pm   
99+
495.08 pm   
16
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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