Question

why the blocks of periodic table of elements are named s block,d block,f block and p block
give reason.

Answer 1

the full form of

s is sharp

for p it's principal

for d it's diffused

and for f it's fundamental

Answer 2

Answer:

• The long form of the periodic table is based on the modern periodic law.

• It is divided into four blocks (s, p, d, f) based on the subshell (s, p, d, f) into which the last/differentiating electron enters.

• If the electron enters the s-subshell, the element is in s-block and so it is called s-block element. Similarly, the corresponding elements in their respective blocks are therefore called p-block, d-block, f-block elements.