Question

State the properties of hydrogen which resembles it with group 17 elements.​

Answer 1

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Properties of hydrogen which resembles it with group 17 elements; that are Halogens; are:-

• Electronic configuration- Like halogens, hydrogen is short of one electron than the stable nearest noble gas configuration in its valence shell.
• Like halogens, hydrogen is a non-metal.
• Like halogens, hydrogen shows a valency of 1.
• Like halogens, hydrogen forms diatomic molecules.
• Like halogens, hydrogen is a gas at room temperature

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Answer 2

Resemblance with alkali metals: Hydrogen has the same outermost electronic configuration as that of alkali metals. Resemblance with halogens: Hydrogen exists as diatomic molecule as halogens.