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Periodic table
Characteristics of the element
Symbol:
Co
Name:
Cobalt
Latin name:
Cobaltum
Atomic number:
27
Atomic mass:
58,933200
Melting point:
1495 (°C)
Boiling point:
2870-2927 (°C)
Density
8,9 (g/cm
3
)
Electronegativity:
1,7
Oxidation number:
II,III
Number of neutrons:
32
Crystal structure:
Hexagonal
Chemical serie:
Transition metals
Color:
silver
Electron configuration:
2-8-15-2
Year of discovery::
1737
Pure material
Symbol
Name
Next information
Co
Kobalt
more
Alloys
Symbol
Name
Next information
Al+Co
Hliník-Kobalt
more
B+Co
Borid kobaltu
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Co+V
Kobalt-Vanadium
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Co+Cu
Kobalt-M??
more
Co+Mo
Kobalt-Molybden
more
Co+Cr+W
Kobalt-Chrom-Wolfram
more
Sputtering targets
Symbol
Name
Next information
Co
Kobalt
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Update: 26.11.25