Pd stands for palladium, which is a chemical element with the atomic number 46. It belongs to the platinum group of metals and is represented by the symbol Pd on the periodic table.
Palladium is known for its silvery-white color and is highly valued for its catalytic properties, making it essential in various industrial processes, including automotive catalytic converters. Additionally, palladium is used in electronics, dentistry, and as a component in jewelry due to its resistance to tarnishing and corrosion.