Question

why is s and p block elements in periodic table called as representative elements?​

Answer 1

S' block elements are metals whereas most of the 'p' block are non-metals. They are called representative elements because they have well-known elements in the periodic table. 

The general electronic configuration of s-block elements are:

ns1−2

The general electronic configuration of p-block elements are:

ns2np1−6

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