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Atomic Structure of Cobalt and Osmium


Atomic Structure of Osmium and Cobalt


Atomic Properties

Atomic Number
22   
99+
76   
40

Electron Configuration
[Ar] 3d2 4s2   
[Xe] 4f14 5d6 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+
76   
39

Number of Neutrons
26   
99+
114   
25

Number of Electrons
22   
99+
76   
39

Radius of an Atom
  
  

Atomic Radius
147.00 pm   
34
133.80 pm   
99+

Covalent Radius
160.00 pm   
30
Not Available   

Van der Waals Radius
200.00 pm   
28
216.00 pm   
24

Atomic Weight
47.87 amu   
99+
190.23 amu   
35

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

Adjacent Atomic Numbers
  
  

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Iron
  
Rhenium
  

Next Element
Nickel
  
Iridium
  

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

Lattice Constant
295.08 pm   
99+
273.44 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.58   
14

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