Iridium chemical symbol

iridium, chemical, element, metal, atom, transition, periodic, group, atomic, number, mass, density, melting, boiling, corrosion, resistance, oxide, chloride, compound, reaction, bonding, electron, valence, catalyst, alloy, crystal, stability, conductivity, hardness, industrial, laboratory, material, refinement, environment, structure, strength, platinumgroup, preciousmetal, noblemetal, chemicalprocess, applications, hightemperature