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Atomic Structure of Thallium and Cadmium


Atomic Structure of Cadmium and Thallium


Atomic Properties

Atomic Number
81   
35
48   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Kr] 4d10 5s2   

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

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

Atom
  
  

Number of Protons
81   
35
48   
99+

Number of Neutrons
123   
20
64   
99+

Number of Electrons
81   
35
48   
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
151.00 pm   
32

Covalent Radius
145.00 pm   
39
144.00 pm   
40

Van der Waals Radius
196.00 pm   
30
158.00 pm   
99+

Atomic Weight
204.38 amu   
31
112.41 amu   
99+

Atomic Volume
17.20 cm3/mol   
31
13.10 cm3/mol   
39

Adjacent Atomic Numbers
  
  

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Lead
  
Indium
  

Valence Electron Potential
9.60 (-eV)   
99+
30.00 (-eV)   
99+

Lattice Constant
345.66 pm   
99+
297.94 pm   
99+

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

Lattice C/A Ratio
1.60   
6
1.89   
1

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