Answer:
The correct answer is: Alkali Metals
Explanation:
The chemical elements that belong to the group 1 of the periodic table are known as the alkali metals. The alkali metals belong to the s-block and are highly reactive in nature.
The alkali metals are lithium (chemical symbol Li), sodium (chemical symbol Na), potassium (chemical symbol K), rubidium (chemical symbol Rb), caesium (chemical symbol Cs), and francium (chemical symbol Fr).
<u>Therefore, lithium, sodium, potassium are examples of alkali metals.</u>
