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Atomic Structure of Protactinium and Bismuth

Protactinium
Bismuth
Atomic Structure of Bismuth and Protactinium


Atomic
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  
22
126  
19
Number of Electrons
91  
27
83  
33
Radius of an Atom
  
  
Atomic Radius
163.00 pm  
27
156.00 pm  
31
Covalent Radius
200.00 pm  
11
148.00 pm  
38
Van der Waals Radius
243.00 pm  
15
207.00 pm  
33
Atomic Weight
231.04 amu  
24
208.98 amu  
29
Atomic Volume
15.00 cm3/mol  
99+
21.30 cm3/mol  
23
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  
26
667.40 pm  
2
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.58  
36
1.86  
4
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