| 90 Thorium Th |
91 Protactinium Pa |
92 Uran U |
93 Neptunium Np |
94 Plutonium Pu |
95 Americium Am |
96 Curium Cm |
97 Berkelium Bk |
98 Californium Cf |
99 Einsteinium Es |
100 Fermium Fm |
101 Mendelevium Md |
102 Nobelium No |
103 Lawrencium Lr |