Cobalt (Co) is a chemical element and atomic number 27, group 9, period 4, and atomic weight 58.933. The Cobalt (Co) is a hard silver-white metal that is used in nuclear weapons, alloys, and pigments. (Refer to the Chemical Element; Periodic Table)
Cobalt (Co) is a chemical element and atomic number 27, group 9, period 4, and atomic weight 58.933. The Cobalt (Co) is a hard silver-white metal that is used in nuclear weapons, alloys, and pigments. (Refer to the Chemical Element; Periodic Table)