Question

Lithium Sodium Potassium are all metals that react with water to liberate hydrogen gas. is there any similarity in the atom of these elements ​

Answer 1

Answer:

well yes.... They all have an atom in the outermost shell and they belong to the first group

Explanation:

Answer 2

$\huge\tt{Answer→}$

They’ve one valence electron in their outermost shells and as a result of this, they are very unstable. So, they readily react with water to liberate hydrogen. They are also called alkali metals.