How are the elements divided into s, p, d and f – blocks in the Modern periodic table ?

Explain how the elements are classified into s,p,d, and f - block elements in the periodic table and give the advantages of this kind of classification

How are the elements arranged into groups and periods in the modern periodic Table ? Elements in a group posses similar properties , but elements in a period do not show similarites in their properties . Why ?

Explain how the elements are classified into S. p .d and f- block elements in the periodic table and give the advantage of this kind of classification .

How many blocks are there in modern peridic table ?

What is a period in modern periodic table ?

Without knowning the electronic configurations of the above of the atoms of elements Mendeleeff still Could arrange the elements nearly close to the arrangements in the modern periodic table . How can you appreciate this ?

How many periods and groups are there in the modern periodic table ?

Write an essay on the division of elements into s, p, d and f - blocks.