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Atomic Structure of Cobalt and Protactinium


Atomic Structure of Protactinium and Cobalt


Atomic Properties

Atomic Number
22   
99+
91   
27

Electron Configuration
[Ar] 3d2 4s2   
[Rn] 5f2 6d1 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Tetragonal (TETR)   

Crystal Lattice
HCP-Crystal-Structure-of-Cobalt.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   

Atom
  
  

Number of Protons
22   
99+
91   
27

Number of Neutrons
26   
99+
122   
21

Number of Electrons
22   
99+
91   
27

Radius of an Atom
  
  

Atomic Radius
147.00 pm   
34
163.00 pm   
25

Covalent Radius
160.00 pm   
30
200.00 pm   
11

Van der Waals Radius
200.00 pm   
28
243.00 pm   
11

Atomic Weight
47.87 amu   
99+
231.04 amu   
24

Atomic Volume
10.64 cm3/mol   
99+
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

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Iron
  
Thorium
  

Next Element
Nickel
  
Uranium
  

Valence Electron Potential
95.20 (-eV)   
10
92.00 (-eV)   
11

Lattice Constant
295.08 pm   
99+
392.50 pm   
23

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

Lattice C/A Ratio
Not Available   
Not Available   

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