Show new chemical element two danish scientists dr G clevesy and dr D coster working at the city of copenhagen have announced the discovery of a new chemical element which they call hafnium hafnium was discovered by means ot of its ray spectrum it occupies the danish scientists believe one of the six vacant places long known to exist in the list of the cl el elements strange to this latest recruit among the chemical elements seems to be quite common in the world doc doe tors and coster think etere tt ere la Is more of it in the earth s crust than there Is of gold popular science monthly |