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Atomic Structure of Cobalt and Rhenium

Cobalt
Rhenium
Atomic Structure of Rhenium and Cobalt


Atomic Properties
Atomic Number
22   
99+
75   
99+
Electron Configuration
[Ar] 3d2 4s2   
[Xe] 4f14 5d5 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Cobalt.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
22   
99+
75   
40
Number of Neutrons
26   
99+
111   
26
Number of Electrons
22   
99+
75   
40
Radius of an Atom
  
  
Atomic Radius
147.00 pm   
34
137.00 pm   
40
Covalent Radius
160.00 pm   
30
151.00 pm   
34
Van der Waals Radius
200.00 pm   
28
200.00 pm   
28
Atomic Weight
47.87 amu   
99+
186.21 amu   
36
Atomic Volume
10.64 cm3/mol   
99+
8.85 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Iron
  
Tungsten
  
Next Element
Nickel
  
Osmium
  
Valence Electron Potential
95.20 (-eV)   
10
180.00 (-eV)   
3
Lattice Constant
295.08 pm   
99+
276.10 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.62   
3
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