Question

Why is the potassium is more reactive than lithium?

Answer 1

Here is your answer ⤵⤵⤵

It has one electron in the outermost electron shell and thus wants to give up one electron to a highly electronegative element. Within the alkali metals, sodium is more reactive than lithium but less reactive than potassium. Its ionization energy ishigher than potassium but lower than lithium.

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Answer 2

Answer:

Recently, I was telling my friends about the violent reaction that takes place when you throw potassium into water. Soon after, a friend of mine claimed that lithium would react more violently than potassium.

because potassium is more electropositive than lithium and thus more reactive

But the lithium to be more reactive than potassium due to its position in the reactivity series of metals:

Li>Cs>Rb>K>Ba>Sr>Ca>Na>Mg

Then we found out that potassium reacts indeed more violently in water.