Americium,
Am
Berkelium,
Bk
Californium,
Cf
Curium,
Cm
Dubnium,
Db
Einsteinium,
Es
Fermium,
Fm
Hassium,
Hs
Lawrencium,
Lr
Meitnerium,
Mt
Mendelevium,
Md
Neptunium,
Np
Nobelium,
No
Plutonium,
Pu
Rutherfordium,
Rf
Seaborgium,
Sg
Uniseptium,
Uns
(Nielsbohrium)
