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Atomic Structure of Bismuth and Thulium

Bismuth
Thulium
Atomic Structure of Thulium and Bismuth


Atomic
Atomic Number
83  
33
69  
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p3  
[Xe] 4f13 6s2  
Crystal Structure
Rhombohedral (RHO)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100  
HCP-Crystal-Structure-of-Thulium.jpg#100  
Atom
  
  
Number of Protons
83  
33
69  
99+
Number of Neutrons
126  
19
100  
33
Number of Electrons
83  
33
69  
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm  
31
176.00 pm  
20
Covalent Radius
148.00 pm  
38
160.00 pm  
32
Van der Waals Radius
207.00 pm  
33
227.00 pm  
26
Atomic Weight
208.98 amu  
29
168.93 amu  
99+
Atomic Volume
21.30 cm3/mol  
23
18.10 cm3/mol  
40
Adjacent Atomic Numbers
  
  
Previous Element
Lead
  
Erbium
  
Next Element
Polonium
  
Ytterbium
  
Valence Electron Potential
41.90 (-eV)  
99+
49.70 (-eV)  
29
Lattice Constant
667.40 pm  
2
353.75 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.86  
4
1.57  
40
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