81 - Thallium
Thallos
Thallium
 82 - Lead
Plumbo
 83 - Bismuth
Bis
Bis
 84 - Polonium
Pol
Polonium
85 - Astatine
Asta Asta
Astat
 86 - Radon
Radonis
Radon
 87 - Francium
Franca
Francium
 88 - Radium
Radia
Radium
89 - Actinium
Action-Actum
Actinium
 90 - Thorium
Thor
Thor
 91 - Protactinium
Proto-Actum
Protactinium
 92 - Uranium
Urano
Uranium
93 - Neptunium
Neptun
Neptunium
 94 - Plutonium
Pluto
Plutonium
 95 - Americium
Americium
 96 - Curium
Curium
97 - Berkelium
Berkelium
 98 - Californium
Californium
 99 - Einsteinium
Einsteinium
 100 - Fermium
Fermium

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