Question

Lanthanides and Actinides are kept separately in the modern periodic table, Why?

Answer 1

Answer:

The reason why Lanthanides and Actinides are located at the bottom of the periodical table is because of their properties and in the block in which electrons fill up. ... The reason why inner-transition metals are located at the bottom of the periodic table, separated from the rest is because they all fill the f-block.

Answer 2

Answer:

The reason why Lanthanides and Actinides are located at the bottom of the periodical table is because of their properties and in the block in which electrons fill up. ... The reason why inner-transition metals are located at the bottom of the periodic table, separated from the rest is because they all fill the f-block.