What Is The Composition Of A Cobalt Atom?

The cobalt atom has an atomic number of 27. It has 32 neutrons. The number of protons and electrons it has is 27. Its symbol is Co. Its atomic mass is 58.9332 amu. Its melting point is 1495.0 °C (1768.15 K, 2723.0 °F). Its boiling point is 2870.0 °C (3143.15 K, 5198.0 °F). It is a transition metal. Its crystal structure is hexagonal. Its density at the rate of 293 k is 8.9 g/cm3. It is silver in colour. Its atomic structure consist of four energy levels: at the first level there are 2 electrons, in the second there are eight, in the third there are fifteen and in the fourth there are two electrons.

Cobalt was discovered in 1737 by the scientist George Brandt. Its name cobalt is of German origin. It comes from the word Kobalt which means evil spirit. It is extensively used in special glasses, ceramics and magnets.

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