Catalyst of the week

Palladium
Atomic number 46. Palladium is a rare and lustrous silvery white metal that was discovered in 1803 by William Wollaston, who named it after the asteroid Pallas.
Over half the supply of palladium and it's sister metal platinum goes into catalytic converters,which convert up to 90% of harmful gases from auto exhaust(hydrocarbons,carbon monoxide, and nitrogen oxide) into less harmful substances(nitrogen, carbon dioxide, and water vapor)
Electron configuration[Kr]4d10