Cobalt chemical symbol
cobalt, chemical, element, metal, atom, transition, periodic, group, atomic, number, mass, density, melting, boiling, oxide, chloride, compound, reaction, bonding, electron, valence, corrosion, magnetism, alloy, steel, crystal, stability, conductivity, hardness, industrial, laboratory, material, refinement, environment, structure, strength, chemicalprocess, applications, catalyst, electrochemistry, batteries, pigment