Palladium

The chemical element palladium has the symbol Pd and the atomic number 46. It forms a silvery metal that was discovered along with rhodium by Wollaston in 1803, while attempting to process commercially valuable ingots of platinum from ore. On the Periodic Table of Elements, palladium is one of the platinum group metals (PGMs), which includes platinum, rhodium, ruthenium, iridium and osmium. Of these, palladium has the lowest melting point and lowest mass density. On May 3, 2021 the spot price for palladium was $2,981.40 per ounce, while gold was $1,792.68 per ounce.