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Atomic Structure of Cobalt and Beryllium

Cobalt
Beryllium
Atomic Structure of Beryllium and Cobalt


Atomic Properties
Atomic Number
22   
99+
4   
99+
Electron Configuration
[Ar] 3d2 4s2   
[He] 2s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Cobalt.jpg#100   
HCP-Crystal-Structure-of-Beryllium.jpg#100   
Atom
  
  
Number of Protons
22   
99+
4   
99+
Number of Neutrons
26   
99+
5   
99+
Number of Electrons
22   
99+
4   
99+
Radius of an Atom
  
  
Atomic Radius
147.00 pm   
34
112.00 pm   
99+
Covalent Radius
160.00 pm   
30
96.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
153.00 pm   
99+
Atomic Weight
47.87 amu   
99+
9.01 amu   
99+
Atomic Volume
10.64 cm3/mol   
99+
5.00 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Iron
  
Lithium
  
Next Element
Nickel
  
Sodium
  
Valence Electron Potential
95.20 (-eV)   
10
82.00 (-eV)   
15
Lattice Constant
295.08 pm   
99+
228.58 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
1.57   
18
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