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Atomic Structure of Protactinium and Bismuth

Protactinium
Bismuth
Atomic Structure of Bismuth and Protactinium


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