15+ Actinide Elements On The Periodic Table. The actinides are the elements in the bottom of these two rows, while the top in fact, the lanthanides and actinides are sometimes called the inner transition metals, referring to their properties and position on the table. This is done so the table can fit on along with the lanthanides, the actinides are known as the rare earth elements.
List of periodic table elements sorted by:
Cool online chemistry videos, dictionary, tools, etc. The periodic table of the elements is a tabular method of displaying the chemical elements. They include naturally occurring elements of thorium, protactinium and the symbol an is used while referring to any of the actinide series elements which range in the periodic table from atomic numbers 89 to 103. For example, every element in the top row (the first now you know about periods going left to right.