Cobalt: The element Cobalt it is located on the periodic table, Group 9. Cobalt is the 27th element on our Periodic Table. It is a chemical element, it has a density of 8.9 grams per cubic centimeter. Cobalt has a boiling point of 3,100 degrees Celsius (5,600 degrees Fahrenheit). Cobalt’s symbol is Co, The atomic # is 27 so the protons and electrons are 27 as well. Cobalt has an atomic mass of 59 and 32 neutrons. The melting point is 2,719 degrees Fahrenheit. This element was discovered in 1735 by a Swedish chemist, Georg Brandt. Brandt was the first person to discover a metal unknown in ancient times. He died in 1768. How did Brandt discover Cobalt? Well Brandt was attempting to prove that the ability of certain minerals to color glass
