33 Science -- Classification of Elements

Potassium is more reactive than sodium. Why?

Potassium is more reactive than sodium. Why?

We know, both potassium and sodium are metals and lose the valence electrons. The atomic size of potassium more than that of sodium. So, the valence electron of potassium can be more easily taken by other reacting atoms as compared to that of sodium. Hence, potassium is more reactive than sodium.

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