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Atomic Structure of Thulium and Cadmium


Atomic Structure of Cadmium and Thulium


Atomic Properties

Atomic Number
69   
99+
48   
99+

Electron Configuration
[Xe] 4f13 6s2   
[Kr] 4d10 5s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Thulium.jpg#100   
HCP-Crystal-Structure-of-Cadmium.jpg#100   

Atom
  
  

Number of Protons
69   
99+
48   
99+

Number of Neutrons
100   
32
64   
99+

Number of Electrons
69   
99+
48   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
151.00 pm   
32

Covalent Radius
160.00 pm   
30
144.00 pm   
40

Van der Waals Radius
Not Available   
158.00 pm   
99+

Atomic Weight
168.93 amu   
99+
112.41 amu   
99+

Atomic Volume
18.10 cm3/mol   
28
13.10 cm3/mol   
39

Adjacent Atomic Numbers
  
  

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Ytterbium
  
Indium
  

Valence Electron Potential
49.70 (-eV)   
28
30.00 (-eV)   
99+

Lattice Constant
353.75 pm   
40
297.94 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.57   
17
1.89   
1

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