My report is about the element . is the 27th element on the periodical table and has an atomic number of twenty-seven. It has a symbol of Co. ¹s atomic weight is 58.9332. It has a melting point of 1,490š C. and a boiling point of 2,900š C. looks almost exactly like iron and nickel. Cobalt is between iron and nickel on the periodical table and found in only . 001-.002 percent of the earth¹s crust. Cobalt was first found in the Harz Mountains. People in the silver mines dug up arsenic cobalt ores. Then, because they thought the ore ....