👉 Cobaltic is a chemical element with symbol Co and atomic number 48. It is named after the German chemist Carl Wilhelm Coors, who discovered it in 1906. The name "cobaltic" comes from its color, which is a deep blue or grayish-blue. The cobaltic periodic table of elements has six elements in total: eight metals (Co, Ni, Cu, Fe, Cr, Mn, Ag, and Au), and two