Transactinide elements are elements over the atomic number 103. They include :
- 104 Rutherfordium, Rf
- 105 Dubnium, Db
- 106 Seaborgium, Sg
- 107 Bohrium, Bh
- 108 Hassium, Hs
- 109 Meitnerium, Mt
- 110 Darmstadtium, Ds
- 111 Roentgenium, Rg
- 112 Copernicium, Cn
- 113 Ununtrium, Uut*
- 114 Flerovium, Fl
- 115 Ununpentium, Uup*
- 116 Livermorium, Lv
- 117 Ununseptium, Uus*
- 118 Ununoctium, Uuo*
* The synthesis of these elements has not been officially attested by IUPAC, while in several cases previous syntheses have been confirmed by other institutions or other methods. The names and symbols given are provisional as no names for the elements have been agreed on.