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Atomic Structure of Lead and Protactinium

Lead
Protactinium
Atomic Structure of Protactinium and Lead


Atomic Properties
Atomic Number
82   
34
91   
27
Electron Configuration
[Xe] 4f14 5d10 6s2 6p2   
[Rn] 5f2 6d1 7s2   
Crystal Structure
Face Centered Cubic (FCC)   
Tetragonal (TETR)   
Crystal Lattice
FCC-Crystal-Structure-of-Lead.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   
Atom
  
  
Number of Protons
82   
34
91   
27
Number of Neutrons
125   
19
122   
21
Number of Electrons
82   
34
91   
27
Radius of an Atom
  
  
Atomic Radius
175.00 pm   
19
163.00 pm   
25
Covalent Radius
146.00 pm   
38
200.00 pm   
11
Van der Waals Radius
202.00 pm   
27
243.00 pm   
11
Atomic Weight
207.20 amu   
30
231.04 amu   
24
Atomic Volume
18.17 cm3/mol   
27
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
Thallium
  
Thorium
  
Next Element
Bismuth
  
Uranium
  
Valence Electron Potential
24.20 (-eV)   
99+
92.00 (-eV)   
11
Lattice Constant
495.08 pm   
16
392.50 pm   
23
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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