Question

why lithium is more reactive than potassium

Answer 1

Answer:

Potassium has an atomic radii that is greater than that of lithium that is why potassium is more reactive than lithium. Explanation: ... This is because in lithium the valence electrons are closer to the nucleus therefore the attractive forces between nucleus and valence electrons are very strong.

Answer 2

Answer:

So potassium is more reactive than lithium because the outer electron of a potassium atom is further from its nucleus than the outer electron of a lithium atom. Francium atoms, with 7 shells, are the largest atoms in Group1

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