Hydrogen should be placed on halogens give three reasons to support your answer.
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Halogens possess electronic configuration of the type ns2 np5 and can easily gain an electron to attain stable octet configuration similar to that of noble gases . That is why hydrogen has chemical properties similar to those of halogens because they possess the same type of electronic configuration .
It resembles alkali metals and halogens.
It has one electron in the valence shell.
Like alkali metals,H forms positive hydrogen.
It forms oxides,sulphides and halides.
It acts as reductant.
In HALOGENS,it is diatomic.
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