question_answer

Which one of the following statements is correct about periodic elements?

A) Elements belonging to groups 1 and 2 are called s-block elements

B) Elements belonging to groups 1 and 2 are called p-block elements

C) Elements belonging to groups 1 and 2 are called d-block elements

D) Elements belonging to groups 1 and 2 are called f-block elements

E) None of these