PbCrO4, also known as Lead Chromate, is a chemical compound that forms a yellow solid. It's insoluble in water and used in paints for its color.
Lead (Pb): A heavy metal that is denser than most common materials and is used in batteries and shields against radiation.
Chromate Ion (CrO4^2-): An ion derived from chromic acid, often found in compounds used for their vivid colors.
Insoluble Substance: A substance (solid) that does not dissolve in a solvent under certain conditions.