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Atomic Structure of Thallium and Cobalt

Thallium
Cobalt
Atomic Structure of Cobalt and Thallium


Atomic Properties
Atomic Number
81   
35
22   
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Ar] 3d2 4s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Cobalt.jpg#100   
Atom
  
  
Number of Protons
81   
35
22   
99+
Number of Neutrons
123   
20
26   
99+
Number of Electrons
81   
35
22   
99+
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
147.00 pm   
34
Covalent Radius
145.00 pm   
39
160.00 pm   
30
Van der Waals Radius
196.00 pm   
30
200.00 pm   
28
Atomic Weight
204.38 amu   
31
47.87 amu   
99+
Atomic Volume
17.20 cm3/mol   
31
10.64 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Mercury
  
Iron
  
Next Element
Lead
  
Nickel
  
Valence Electron Potential
9.60 (-eV)   
99+
95.20 (-eV)   
10
Lattice Constant
345.66 pm   
99+
295.08 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
Not Available   
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