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Atomic Structure of Samarium and Tin


Tin Metal
Tin
Atomic Structure of Tin and Samarium


Atomic Properties

Atomic Number
62   
99+
50   
99+

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

Crystal Structure
Rhombohedral (RHO)   
Tetragonal (TETR)   

Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100   
TETR-Crystal-Structure-of-Tin.jpg#100   

Atom
  
  

Number of Protons
62   
99+
50   
99+

Number of Neutrons
88   
39
69   
99+

Number of Electrons
62   
99+
50   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
140.00 pm   
38

Covalent Radius
198.00 pm   
13
139.00 pm   
99+

Van der Waals Radius
229.00 pm   
20
217.00 pm   
23

Atomic Weight
150.36 amu   
99+
118.71 amu   
99+

Atomic Volume
19.95 cm3/mol   
19
16.30 cm3/mol   
32

Adjacent Atomic Numbers
  
  

Previous Element
Promethium
Promethium
  
Indium
Indium
  

Next Element
Europium
Europium
  
Cesium
Cesium
  

Valence Electron Potential
44.80 (-eV)   
37
83.50 (-eV)   
14

Lattice Constant
362.10 pm   
33
583.18 pm   
7

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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