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Atomic Structure of Thallium and 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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