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Atomic Structure of Samarium and Gold

Samarium
Gold
Atomic Structure of Gold and Samarium


Atomic Properties
Atomic Number
62   
99+
79   
37
Electron Configuration
[Xe] 4f6 6s2   
[Xe] 4f14 5d10 6s1   
Crystal Structure
Rhombohedral (RHO)   
Face Centered Cubic (FCC)   
Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100   
FCC-Crystal-Structure-of-Gold.jpg#100   
Atom
  
  
Number of Protons
62   
99+
79   
37
Number of Neutrons
88   
39
118   
23
Number of Electrons
62   
99+
79   
37
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
151.00 pm   
32
Covalent Radius
198.00 pm   
13
144.00 pm   
40
Van der Waals Radius
229.00 pm   
20
166.00 pm   
39
Atomic Weight
150.36 amu   
99+
196.97 amu   
33
Atomic Volume
19.95 cm3/mol   
19
10.20 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Promethium
  
Platinum
  
Next Element
Europium
  
Mercury
  
Valence Electron Potential
44.80 (-eV)   
37
43.40 (-eV)   
99+
Lattice Constant
362.10 pm   
33
407.82 pm   
21
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
1.61   
4
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