Question

Lithium Sodium and potassium elements were put in one group on the basis of their similar properties what are those similar properties.​

Answer 1

Explanation:

Elements of lithium, sodium and potassium have the following similar properties: All these have one electron in the outermost shell. They form unipositive ions. They are good reducing agents.

Answer 2

Answer:

Sodium, lithium and potassium were place in one group because of following reasons:-

●These are metals

●They react rapidly with water to form alkalies and hydrogen gas(hence they are called alkali metals )

●They have 1 electron in it's outermost shell.