Question

lithium and sodium are included in same group in periodic table give reason​

Answer 1

Answer:

thery are both alkali metals...

Answer 2

Answer:

Lithium, sodium and potassium have same number of valence electron i.e. 1, hence they belong to same group. The group is called alkali metals group because all these elements form oxides which dissolve in water to form alkali

Explanation:

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