Which among the following elements behaves like alkali metals as well as halogens in its
properties?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Hydrogen.
- Like alkali metals (e.g., lithium, sodium, potassium), hydrogen has a single electron in its outermost shell.
- Like halogens (e.g., fluorine, chlorine, bromine), hydrogen can also gain an electron to achieve a stable configuration.