Question

Lanthanides and actinides are also called?

Answer 1

Answer:

the two rows that are generally placed underneath the periodic table are called the lanthanides series and actinides series. These two rows are produced when electrons are being added to f orbitals. therefore this block of elements are referred to as f-block elements

hope it's helpful.....

Answer 2

Answer:

Explanation:

These together are known as the f-block elements.