Complete the following table using the periodic table.
In group 3rd and 6th period there are 14 elements. They are called lanthanoides. In the same group with 7th period also there are 14 elements. They are called as Actinoides.
Complete the following table using the periodic table.
In group 3rd and 6th period there are 14 elements. They are called lanthanoides. In the same group with 7th period also there are 14 elements. They are called as Actinoides.