Question

Explain the classification of elements into different blocks

Answer 1

$\huge\mathbb{\underline{\purple{ANSWER}}}$

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.3)Elements of and group 1(hydrogen and alkali metals) and group 2 (alkaline earth metals) and helium comprises s block element.

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