Atomic Number: 91
PROTACTINIUM
Pa
Atomic Number: 92
URANIUM
U
Atomic Number: 93
NEPTUNIUM
Np
Atomic Number: 94
PLUTONIUM
Pu
Atomic Number: 95
AMERICIUM
Am
Atomic Number: 96
CURIUM
Cm
Atomic Number: 97
BERKELIUM
Bk
Atomic Number: 98
CALIFORNIUM
Cf
Atomic Number: 99
EINSTEINIUM
Es
Atomic Number: 100
FERMIUM
Fm