Why is it easier to remove an electron from potassium than sodium?

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chelsea0325 chelsea0325

01-03-2021
Chemistry

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Why is it easier to remove an electron from potassium than sodium?

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doritochip12 doritochip12 · Answer 1 · 2021-03-01T16:58:34+01:00

doritochip12 doritochip12

01-03-2021

The outer electron in Potassium is in the 4s orbital, which is further away from the nucleus than the 3s orbital of the Sodium. ... This means that less energy is needed to remove the outermost electron and therefore the ionisation energy is lower.

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