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Atomic Structure of Tin and Samarium

Tin
Samarium
Atomic Structure of Samarium and Tin


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