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Atomic Structure of Samarium and Lead

Samarium
Lead
Atomic Structure of Lead and Samarium


Atomic Properties
Atomic Number
62   
99+
82   
34
Electron Configuration
[Xe] 4f6 6s2   
[Xe] 4f14 5d10 6s2 6p2   
Crystal Structure
Rhombohedral (RHO)   
Face Centered Cubic (FCC)   
Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100   
FCC-Crystal-Structure-of-Lead.jpg#100   
Atom
  
  
Number of Protons
62   
99+
82   
34
Number of Neutrons
88   
39
125   
19
Number of Electrons
62   
99+
82   
34
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
175.00 pm   
19
Covalent Radius
198.00 pm   
13
146.00 pm   
38
Van der Waals Radius
229.00 pm   
20
202.00 pm   
27
Atomic Weight
150.36 amu   
99+
207.20 amu   
30
Atomic Volume
19.95 cm3/mol   
19
18.17 cm3/mol   
27
Adjacent Atomic Numbers
  
  
Previous Element
Promethium
  
Thallium
  
Next Element
Europium
  
Bismuth
  
Valence Electron Potential
44.80 (-eV)   
37
24.20 (-eV)   
99+
Lattice Constant
362.10 pm   
33
495.08 pm   
16
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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