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Atomic Structure of Lead and Samarium


Atomic Structure of Samarium and Lead


Atomic Properties

Atomic Number
82   
34
62   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p2   
[Xe] 4f6 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Rhombohedral (RHO)   

Crystal Lattice
FCC-Crystal-Structure-of-Lead.jpg#100   
RHO-Crystal-Structure-of-Samarium.jpg#100   

Atom
  
  

Number of Protons
82   
34
62   
99+

Number of Neutrons
125   
19
88   
39

Number of Electrons
82   
34
62   
99+

Radius of an Atom
  
  

Atomic Radius
175.00 pm   
19
180.00 pm   
14

Covalent Radius
146.00 pm   
38
198.00 pm   
13

Van der Waals Radius
202.00 pm   
27
229.00 pm   
20

Atomic Weight
207.20 amu   
30
150.36 amu   
99+

Atomic Volume
18.17 cm3/mol   
27
19.95 cm3/mol   
19

Adjacent Atomic Numbers
  
  

Previous Element
Thallium
  
Promethium
  

Next Element
Bismuth
  
Europium
  

Valence Electron Potential
24.20 (-eV)   
99+
44.80 (-eV)   
37

Lattice Constant
495.08 pm   
16
362.10 pm   
33

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
Not Available   

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