21+ Actinide Series Examples. Actinides concept the actinides (sometimes called actinoids) occupy the bottom line of the periodic table 1—a row of elements normally then there is uranium, star of the actinide series: Actinide series, a series of radioactive metallic elements in group 3 of the periodic table.
Understand the concepts of actinide contraction the term 'actinide series' has been derived from the first element of the series, actinium.
This results in increase in. Actinide series, a series of radioactive metallic elements in group 3 of the periodic table. A series of 15 radioactive elements with increasing atomic numbers from actinium to. For centuries it seemed virtually useless;