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Atomic Structure of Samarium and Tin

Samarium
Tin
Atomic Structure of Tin and Samarium


Atomic
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  
40
69  
99+
Number of Electrons
62  
99+
50  
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm  
16
140.00 pm  
40
Covalent Radius
198.00 pm  
13
139.00 pm  
99+
Van der Waals Radius
229.00 pm  
25
217.00 pm  
29
Atomic Weight
150.36 amu  
99+
118.71 amu  
99+
Atomic Volume
19.95 cm3/mol  
31
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Promethium
  
Indium
  
Next Element
Europium
  
Cesium
  
Valence Electron Potential
44.80 (-eV)  
38
83.50 (-eV)  
14
Lattice Constant
362.10 pm  
37
583.18 pm  
7
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.62  
15
0.68  
99+
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