Which group elements are called the normal elements? What are their characteristics?
The elements of groups 1, 2 and 13 to 17 are called normal elements. These elements have their outermost shell incomplete and are highly reactive.
What are the characteristics of the transition elements and why are they called transition elements? Which of the d-block elements may not be regarded as the transition elements?
Elements of which group are called Halogens?
Why are third group elements called bridge elements?