* The elements in the periodic table from Rutherfordium, element 104, on up the table are all very radioactive and transitory.
All were discovered in the postwar period.
element symbol ________________________________ rutherfordium Rf<261/104> dubnium Db<262/105> seaborgium Sg<266/106> bohrium Bh<264/107> hassium Hs<269/108> meitnerium Mt<268/109> darmstadtium Ds<269/110> roentgenium Rg<280/111> copernicium Cn<285/112> nihonium Nh<284/113> flerovium Fl<289/114> moscovium Mc<288/115> livermorium Lv<293/116> tennesine Ts<294/117> oganesson Og<294/118> ________________________________
The "transactinides" are of no real interest in a practical chemistry document, and are only being mentioned here for the same of completeness.
