Why potassium has lowelectronegative
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Potassium's valance electrons are in the fourth shell while Sodium's valance electrons are in the third shell and are much closer to the nucleus. Because Potassium's electron density is further away from the positive nucleus the protons have less pull.
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Answer:Sodium is from column I so it has only one valence electron. Sodium has very low electronegativity. This loose electron is attracted to chlorine which has a very high electronegativity because it has seven electrons in its valence orbital and needs one more to become stable like a noble gas.
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