Question

in how many block is the long form of periodic table divided ? Name them and also write the group that are involved in those block?​

Answer 1

Explanation:

four blocks

Elements in the long form of periodic table have been divided into four blocks i.e. s ,p ,d and f. This division is based upon the name of the orbitals which receives the last electron. 1)Elements in which the last electron enters the s orbital of their respective outermost shells are called s block elements.

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