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Atomic Structure of Lanthanum and Tin

Lanthanum
Tin
Atomic Structure of Tin and Lanthanum


Atomic Properties
Atomic Number
57   
99+
50   
99+
Electron Configuration
[Xe] 5d2 6s2   
[Kr] 4d10 5s2 5p2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Tetragonal (TETR)   
Crystal Lattice
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   
TETR-Crystal-Structure-of-Tin.jpg#100   
Atom
  
  
Number of Protons
57   
99+
50   
99+
Number of Neutrons
82   
99+
69   
99+
Number of Electrons
57   
99+
50   
99+
Radius of an Atom
  
  
Atomic Radius
187.00 pm   
8
140.00 pm   
38
Covalent Radius
207.00 pm   
6
139.00 pm   
99+
Van der Waals Radius
240.00 pm   
13
217.00 pm   
23
Atomic Weight
138.91 amu   
99+
118.71 amu   
99+
Atomic Volume
20.73 cm3/mol   
16
16.30 cm3/mol   
32
Adjacent Atomic Numbers
  
  
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Barium
  
Indium
  
Next Element
Cerium
  
Cesium
  
Valence Electron Potential
40.71 (-eV)   
99+
83.50 (-eV)   
14
Lattice Constant
377.20 pm   
28
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   
2
Not Available   
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