Tag archives for iridium
The six platinum group elements are ruthenium (Ru), rhodium(Rh), palladium(Pd), osmium(Os), iridium(Ir) and platinum(Pt). These are all transition metals grouped in the centre of the periodic table. Os, Ir and Pt are the three densest metals, Os has a density of 22.6 compared with gold at 19.3 and silver at…