Question

" Hydrogen occupies a unique position in the modern periodic table .justify the statement

Answer 1

there are many reasons 1 . Through Hydrogen is a non metal 2. it has been plasedat the top groups 1 above the alkaline metal because it's electronic configuration is similar to alkali metals

Answer 2

$\huge \mathbb {\gray {\underline {\red{\underline{ANSWER :-}}}}}$

Though hydrogen is a non-metal, it has been placed at the top of group 1 above the alkali metals because its electronic configuration is similar to alkali metals i.e. (have 1 valence electron in the outermost shell).