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Atomic Structure of Thulium and Bismuth

Thulium
Bismuth
Atomic Structure of Bismuth and Thulium


Atomic
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  
33
126  
19
Number of Electrons
69  
99+
83  
33
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
156.00 pm  
31
Covalent Radius
160.00 pm  
32
148.00 pm  
38
Van der Waals Radius
227.00 pm  
26
207.00 pm  
33
Atomic Weight
168.93 amu  
99+
208.98 amu  
29
Atomic Volume
18.10 cm3/mol  
40
21.30 cm3/mol  
23
Adjacent Atomic Numbers
  
  
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Erbium
  
Lead
  
Next Element
Ytterbium
  
Polonium
  
Valence Electron Potential
49.70 (-eV)  
29
41.90 (-eV)  
99+
Lattice Constant
353.75 pm  
99+
667.40 pm  
2
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.57  
40
1.86  
4
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