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Atomic Structure of Tin and Lanthanum

Tin
Lanthanum
Atomic Structure of Lanthanum and Tin


Atomic Properties
Atomic Number
50   
99+
57   
99+
Electron Configuration
[Kr] 4d10 5s2 5p2   
[Xe] 5d2 6s2   
Crystal Structure
Tetragonal (TETR)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
TETR-Crystal-Structure-of-Tin.jpg#100   
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   
Atom
  
  
Number of Protons
50   
99+
57   
99+
Number of Neutrons
69   
99+
82   
99+
Number of Electrons
50   
99+
57   
99+
Radius of an Atom
  
  
Atomic Radius
140.00 pm   
38
187.00 pm   
8
Covalent Radius
139.00 pm   
99+
207.00 pm   
6
Van der Waals Radius
217.00 pm   
23
240.00 pm   
13
Atomic Weight
118.71 amu   
99+
138.91 amu   
99+
Atomic Volume
16.30 cm3/mol   
32
20.73 cm3/mol   
16
Adjacent Atomic Numbers
  
  
Previous Element
Indium
  
Barium
  
Next Element
Cesium
  
Cerium
  
Valence Electron Potential
83.50 (-eV)   
14
40.71 (-eV)   
99+
Lattice Constant
583.18 pm   
7
377.20 pm   
28
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.62   
2
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