Level 14
Level 16
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Pa
Protactinium
U
Uranium
Np
Neptunium
Pu
Plutonium
Am
Americium
Cm
Curium
Bk
Berkelium
Cf
Californium
Es
Einsteinium
Fm
Fermium
Md
Mendelevium
No
Nobelium
Lr
Lawrencium
Rf
Rutherfordium
Db
Dubnium
