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Atomic Structure of Tin and Promethium

Tin
Promethium
Atomic Structure of Promethium and Tin


Atomic Properties
Atomic Number
50   
99+
61   
99+
Electron Configuration
[Kr] 4d10 5s2 5p2   
[Xe] 4f5 6s2   
Crystal Structure
Tetragonal (TETR)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
TETR-Crystal-Structure-of-Tin.jpg#100   
DHCP-Crystal-Structure-of-Promethium.jpg#100   
Atom
  
  
Number of Protons
50   
99+
61   
99+
Number of Neutrons
69   
99+
84   
40
Number of Electrons
50   
99+
61   
99+
Radius of an Atom
  
  
Atomic Radius
140.00 pm   
38
183.00 pm   
10
Covalent Radius
139.00 pm   
99+
199.00 pm   
12
Van der Waals Radius
217.00 pm   
23
236.00 pm   
16
Atomic Weight
118.71 amu   
99+
145.00 amu   
99+
Atomic Volume
16.30 cm3/mol   
32
22.39 cm3/mol   
12
Adjacent Atomic Numbers
  
  
Previous Element
Indium
  
Neodymium
  
Next Element
Cesium
  
Samarium
  
Valence Electron Potential
83.50 (-eV)   
14
44.10 (-eV)   
39
Lattice Constant
583.18 pm   
7
Not Available   
Lattice Angles
π/2, π/2, π/2   
Unknown   
Lattice C/A Ratio
Not Available   
Not Available   
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