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Cobalt
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Beryllium
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Cobalt
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Beryllium
Atomic Structure of Cobalt and Beryllium
Cobalt
Beryllium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
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Atomic
Atomic Number
22
4
3
117
👆🏻
Electron Configuration
[Ar] 3d
2
4s
2
[He] 2s
2
Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
Crystal Lattice
Atom
Number of Protons
22
4
3
117
👆🏻
Number of Neutrons
26
5
4
285
👆🏻
Number of Electrons
22
4
3
117
👆🏻
Radius of an Atom
Atomic Radius
147.00 pm
112.00 pm
0
348
👆🏻
Covalent Radius
160.00 pm
96.00 pm
0
260
👆🏻
Van der Waals Radius
200.00 pm
153.00 pm
0
348
👆🏻
Atomic Weight
47.87 amu
9.01 amu
6.94
294
👆🏻
Atomic Volume
10.64 cm3/mol
5.00 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
95.20 (-eV)
82.00 (-eV)
0
392.42
👆🏻
Lattice Constant
295.08 pm
228.58 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
1.26
1.57
0.423
1.9
👆🏻
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