the name of the element be the symbol! Or two letters from the element's name. But select the letters from the Latin name of the element. Then it will be
(1997)。在線校正版: (2006–) "transition element"。doi:10.1351/goldbook.T06456 Xuefang, W.; Andrews, L.; Riedel, S.; Kaupp, M. Mercury Is a Transition Metal: The First