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Atomic Structure of Thorium and Cadmium

Thorium
Cadmium
Atomic Structure of Cadmium and Thorium


Atomic Properties
Atomic Number
90   
28
48   
99+
Electron Configuration
[Rn] 6d2 7s2   
[Kr] 4d10 5s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100   
HCP-Crystal-Structure-of-Cadmium.jpg#100   
Atom
  
  
Number of Protons
90   
28
48   
99+
Number of Neutrons
142   
15
64   
99+
Number of Electrons
90   
28
48   
99+
Radius of an Atom
  
  
Atomic Radius
179.80 pm   
15
151.00 pm   
32
Covalent Radius
206.00 pm   
7
144.00 pm   
40
Van der Waals Radius
237.00 pm   
15
158.00 pm   
99+
Atomic Weight
232.04 amu   
23
112.41 amu   
99+
Atomic Volume
19.90 cm3/mol   
20
13.10 cm3/mol   
39
Adjacent Atomic Numbers
  
  
Previous Element
Actinium
  
Silver
  
Next Element
Protactinium
  
Indium
  
Valence Electron Potential
59.30 (-eV)   
23
30.00 (-eV)   
99+
Lattice Constant
508.42 pm   
14
297.94 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.89   
1
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