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Atomic Structure of Lead and Thallium

Lead
Thallium
Atomic Structure of Thallium and Lead


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