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Atomic Structure of Tin and Samarium

Tin
Samarium
Atomic Structure of Samarium and Tin


Atomic Properties
Atomic Number
50   
99+
62   
99+
Electron Configuration
[Kr] 4d10 5s2 5p2   
[Xe] 4f6 6s2   
Crystal Structure
Tetragonal (TETR)   
Rhombohedral (RHO)   
Crystal Lattice
TETR-Crystal-Structure-of-Tin.jpg#100   
RHO-Crystal-Structure-of-Samarium.jpg#100   
Atom
  
  
Number of Protons
50   
99+
62   
99+
Number of Neutrons
69   
99+
88   
39
Number of Electrons
50   
99+
62   
99+
Radius of an Atom
  
  
Atomic Radius
140.00 pm   
38
180.00 pm   
14
Covalent Radius
139.00 pm   
99+
198.00 pm   
13
Van der Waals Radius
217.00 pm   
23
229.00 pm   
20
Atomic Weight
118.71 amu   
99+
150.36 amu   
99+
Atomic Volume
16.30 cm3/mol   
32
19.95 cm3/mol   
19
Adjacent Atomic Numbers
  
  
Previous Element
Indium
  
Promethium
  
Next Element
Cesium
  
Europium
  
Valence Electron Potential
83.50 (-eV)   
14
44.80 (-eV)   
37
Lattice Constant
583.18 pm   
7
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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