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Atomic Structure of Cobalt
f
Cobalt
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Atomic
Atomic Number
22 84
Electron Configuration
[Ar] 3d
2
4s
2
Crystal Structure
Hexagonal Close Packed (HCP)
Crystal Lattice
HCP-Crystal-Structure-of-Cobalt.jpg#100
Atom
Number of Protons
22 83
Number of Neutrons
26 63
Number of Electrons
22 83
Radius of an Atom
Atomic Radius
147.00 pm 36
Covalent Radius
160.00 pm 32
Van der Waals Radius
200.00 pm 35
Atomic Weight
47.87 amu 78
Atomic Volume
10.64 cm3/mol 64
Adjacent Atomic Numbers
Previous Element
7
Next Element
22
Valence Electron Potential
95.20 (-eV) 10
Lattice Constant
295.08 pm 68
Lattice Angles
π/2, π/2, 2 π/3
Lattice C/A Ratio
1.26 59
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