Neptunium
Neptunium
Americium is a member of the actinides group.
Uranium is a member of the actinides (syn.: actinoids) family.
Einsteinium belongs to the actinide series in the periodic table, which is a group of elements that includes uranium and actinium. The actinides are located in the f-block of the periodic table and are characterized by their radioactive properties.
Fermium is a member of the actinides group.
Plutonium is a member of the actinides group.
Thorium
Plutonium is a member of the actinides group.
Thorium is a member of the actinoids family and is placed in period 7.
Actinuim is a member of the family of actinides.
Plutonium is a member of the actinides group.
Uranium is a member of the actinides (actinoids) group.
Radioactive element of either Actinide/Lanthanide Series