The Periodic Table/27 - Cobalt (Co)

Element Cobalt (Co, 27)

Here you can read more about the chemical element Cobalt. Its shemical symbol is Co and its atomic number is 27. The relative atomic mass of Cobalt is 58.933195 u. The elemental classification of Cobalt is Transition metals, and it belongs to group 9 and period 4 in the Periodic Table of Elements.

The density of Cobalt is 8900 kg/m3. And the mineral hardness of Cobalt is 5 Mohs. The melting point of Cobalt is 1768 Kelvin (1495 ℃). The boiling point of Cobalt is 3150 Kelvin (2877 ℃). Cobalt was discovered in the year 1732 by Georg Brandt.

To the right (or below if you are using a mobile device with a smaller screen) you will find the information given above for the element Cobalt ordered in tabular form, which might be easier to read and use if you want to quantify it in some sort.

Data about element Cobalt

Chemical symbol
Element classification
Transition metals
Atomic number
Relativ atomic mass
Atomic mass
58.933195 u
8900 kg/m3
Melting point
1768 K   (1495 ℃)
Boiling point
3150 K   (2877 ℃)
Mineral hardness
5 Mohs
Discovered year
Discovered by
Georg Brandt