.. .. .. .. .. .. .. .. .. .. .. .. .. ..
Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr
The Actinides consist of the elements in the f-block in Period 7 of
the Periodic Table. All the elements of the Actinides family are
radioactive and most are synthetic, that is, human-made. All have a
silvery or silvery-white luster in metallic form, and are soft,
ductile, and paramagnetic.
89 Ac Actinium
90 Th Thorium
91 Pa Protactinium
92 U Uranium
93 Np Neptunium
94 Pu Plutonium
95 Am Americium
96 Cm Curium
97 Bk Berkelium
98 Cf Californium
99 Es Einsteinium
100 Fm Fermium
101 Md Mendelevium
102 No Nobelium
103 Lr Lawrencium