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Atomic Structure of Osmium and Cobalt


Atomic Structure of Cobalt and Osmium


Atomic Properties

Atomic Number
76   
40
22   
99+

Electron Configuration
[Xe] 4f14 5d6 6s2   
[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
76   
39
22   
99+

Number of Neutrons
114   
25
26   
99+

Number of Electrons
76   
39
22   
99+

Radius of an Atom
  
  

Atomic Radius
133.80 pm   
99+
147.00 pm   
34

Covalent Radius
Not Available   
160.00 pm   
30

Van der Waals Radius
216.00 pm   
24
200.00 pm   
28

Atomic Weight
190.23 amu   
35
47.87 amu   
99+

Atomic Volume
8.49 cm3/mol   
99+
10.64 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Rhenium
  
Iron
  

Next Element
Iridium
  
Nickel
  

Valence Electron Potential
91.40 (-eV)   
12
95.20 (-eV)   
10

Lattice Constant
273.44 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
1.58   
14
Not Available   

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