Question

Hydrogen by donating one electron forms $H^{+}$. In this property, it resembles the

• A. Transition metals
• B. Alkaline earth metals
• C. Alkali metals
• D. Halogens

Answer 1

The correct option is C

Alkali metals

Alkali metals have tendency to loose the one $e^{-}$ in their outermost shell and achieve the stable noble gas configuration.

The question mentions a property of Hydrogen which closely resembles this property of alkali metals. This is also one reason why Hydrogen was placed above the 1st group elements. This is still debatable though.