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Atomic Structure of Bismuth and Protactinium

Bismuth
Protactinium
Atomic Structure of Protactinium and Bismuth


Atomic Properties
Atomic Number
83   
33
91   
27
Electron Configuration
[Xe] 4f14 5d10 6s2 6p3   
[Rn] 5f2 6d1 7s2   
Crystal Structure
Rhombohedral (RHO)   
Tetragonal (TETR)   
Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   
Atom
  
  
Number of Protons
83   
33
91   
27
Number of Neutrons
126   
18
122   
21
Number of Electrons
83   
33
91   
27
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
163.00 pm   
25
Covalent Radius
148.00 pm   
36
200.00 pm   
11
Van der Waals Radius
207.00 pm   
26
243.00 pm   
11
Atomic Weight
208.98 amu   
29
231.04 amu   
24
Atomic Volume
21.30 cm3/mol   
14
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
Lead
  
Thorium
  
Next Element
Polonium
  
Uranium
  
Valence Electron Potential
41.90 (-eV)   
99+
92.00 (-eV)   
11
Lattice Constant
667.40 pm   
2
392.50 pm   
23
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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