This highly malleable metal dissolves in aqua regia and is used in electrical connectors to prevent corrosion.
During an experiment named for this material, Hans Geiger counted flashes of light on a zinc sulfide screen, generated after an alpha particle was shot at a foil of this metal; that experiment was overseen by Ernest (*) Rutherford. This highly malleable metal dissolves in aqua regia and is used in electrical connectors to prevent corrosion. For ten points, name this precious metal whose purity is measured on a scale up to 24 karats.
During an experiment named for this material, Hans Geiger counted flashes of light on a zinc sulfide screen, generated after an alpha particle was shot at a foil of this metal; that experiment was overseen by Ernest (*) Rutherford.
gold (accept Rutherford gold foil experiment)