Question

what is cobalt?explain

Answer 1

Cobalt is an element n it's atomic number is 29

Answer 2

Cobalt is a chemical element with symbol Co and atomic number 27. Like nickel, cobalt is found in the Earth's crust only in chemically combined form. From small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal, called cobalt.