7. period
≡
Francium
Fr
87
Radium
Ra
88
Actinium
Ac
89
Thorium
Th
90
Protactinium
Pa
91
Uranium
U
92
Neptunium
Np
93
Plutonium
Pu
94
Americium
Am
95
Curium
Cm
96
Berkelium
Bk
97
Californium
Cf
98
Einsteinium
Es
99
Fermium
Fm
100
Mendelevium
Md
101
Nobelium
No
102
Lawrencium
Lr
103
Rutherfordium
Rf
104
Dubnium
Db
105
Seaborgium
Sg
106
Bohrium
Bh
107
Hassium
Hs
108
Meitnerium
Mt
109
Darmstadtium
Ds
110
Roentgenium
Rg
111
Copernicium
Cn
112
Ununtrium
Uut
113
Flerovium
Fl
114
Ununpentium
Uup
115
Livermorium
Lv
116
Ununseptium
Uus
117
Ununoctium
Uuo
118