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Cobalt
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 ores contained copper, heated the ....
Word count: 332 - Page count: 2
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