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Comment on the position of hydrogen i...

Comment on the position of hydrogen in periodic table .

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1) The configuration of Hydrogen `(1S^(2) ` is reponsible for its dual nature .
2 ) Either the elctron can be lost behaving as electropsitive element `(H^(+))` like alkai metals or the electron can be gained as to complete 1s subshell behaving as electronegative element `(H^(-))` like halogens .
3 ) The position of Hydrogen is not fixed in the periodic table sometimes it is placed with alkali metals and sometimes with halogens
4 )) However Hydrogen exhibits other properties which differ from both alkali metals and halogens .
5 ) But based on its electron configuration hydrogen is placed in IA group.
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