Question

what is cobalt. pls answer it​

Answer 1

Answer:

Cobalt is a chemical element with the symbol Co and atomic number 27. cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron.

Cobalt is primarily used in lithium-ion batteries, and in the manufacture of magnetic, wear-resistant and high-strength alloys. The compounds cobalt silicate and cobalt(II) aluminate (CoAl2O4, cobalt blue) give a distinctive deep blue color to glass, ceramics, inks, paints and varnishes.

Answer 2

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Cobalt is a silver-white magnetic metal, with the chemical symbol ‘Co’ and an atomic number of 27. It is found in a chemically combined form in the earth’s crust, and is obtained when mining nickel, lead, silver, copper and iron. Copper has been used since ancient times due to its blue hue, but it is now mainly used as an alloy in the engineering industries, as well as in sectors like healthcare.