List of elements by symbol - FANDOM powered by Wikia
The symbol and name were used for element 105. Di: Didymium - Rare earth metal that proved to be a mixture of the elements praseodymium and neodymium. Dp: Decipium - Rare earth metal that proved to be a mixture of the elements samarium, neodymium and praseodymium. Eb: Ekaboron: 21 Name given by Mendeleev to an as of then undiscovered element.