Question

Hydrogen can be placed in either group 1 or group 17. Hydrogen exhibits properties of both alkali metals such as cation formation, mono valency and that of hologens such as anion formation, covalent bonding.

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Answer 1

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Hydrogen is a nonmetal and is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals. However, it varies greatly from the alkali metals as it forms cations (H+) more reluctantly than the other alkali metals....