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Atomic Structure of Thallium and Bismuth

Thallium
Bismuth
Atomic Structure of Bismuth and Thallium


Atomic Properties
Atomic Number
81   
35
83   
33
Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Xe] 4f14 5d10 6s2 6p3   
Crystal Structure
Hexagonal Close Packed (HCP)   
Rhombohedral (RHO)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
RHO-Crystal-Structure-of-Bismuth.jpg#100   
Atom
  
  
Number of Protons
81   
35
83   
33
Number of Neutrons
123   
20
126   
18
Number of Electrons
81   
35
83   
33
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
156.00 pm   
29
Covalent Radius
145.00 pm   
39
148.00 pm   
36
Van der Waals Radius
196.00 pm   
30
207.00 pm   
26
Atomic Weight
204.38 amu   
31
208.98 amu   
29
Atomic Volume
17.20 cm3/mol   
31
21.30 cm3/mol   
14
Adjacent Atomic Numbers
  
  
Previous Element
Mercury
  
Lead
  
Next Element
Lead
  
Polonium
  
Valence Electron Potential
9.60 (-eV)   
99+
41.90 (-eV)   
99+
Lattice Constant
345.66 pm   
99+
667.40 pm   
2
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.60   
6
Not Available   
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