Radioactive Elements

There are 37 radioactive elements they are: Technetium (43),  Promethium (61), Polonium (84), Astatine (85), Radon (86), Francium (87), Radium (88), Actinium(89), Thorium (90), Protactinium (91), Uranium (92), Neptunium (93), Plutonium (94), Americium (95), Curium (96), Berkelium (97), Californium (98), Einsteinium (99), Fermium (100), Mendelevium (101), Nobelium (102), Lawrencium (103), Rutherfordium (104), Dubnium (105), Seaborgium (106), Bohrium (107), Hassium (108), Meitnerium (109), Darmstadtium (110),  Roetgenium (111), Ununbium (112), Ununtrium (113), Ununquadium (114), Ununpentium (115), Ununhexium (116), Ununseptium (117), Ununoctium (118). These are the 37 radioactive elements. None of these elements are common, but some of them do appear more than others. For example Plutonium is more common than Ununhexium.