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Atomic Structure of Thulium and Bismuth

Thulium
Bismuth
Atomic Structure of Bismuth and Thulium


Atomic Properties
Atomic Number
69   
99+
83   
33
Electron Configuration
[Xe] 4f13 6s2   
[Xe] 4f14 5d10 6s2 6p3   
Crystal Structure
Hexagonal Close Packed (HCP)   
Rhombohedral (RHO)   
Crystal Lattice
HCP-Crystal-Structure-of-Thulium.jpg#100   
RHO-Crystal-Structure-of-Bismuth.jpg#100   
Atom
  
  
Number of Protons
69   
99+
83   
33
Number of Neutrons
100   
32
126   
18
Number of Electrons
69   
99+
83   
33
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
156.00 pm   
29
Covalent Radius
160.00 pm   
30
148.00 pm   
36
Van der Waals Radius
Not Available   
207.00 pm   
26
Atomic Weight
168.93 amu   
99+
208.98 amu   
29
Atomic Volume
18.10 cm3/mol   
28
21.30 cm3/mol   
14
Adjacent Atomic Numbers
  
  
Previous Element
Erbium
  
Lead
  
Next Element
Ytterbium
  
Polonium
  
Valence Electron Potential
49.70 (-eV)   
28
41.90 (-eV)   
99+
Lattice Constant
353.75 pm   
40
667.40 pm   
2
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.57   
17
Not Available   
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