Why no Bond has 100% ionic character ?


Electronegativity difference is the index of ionic character.If difference is 1.7 or more than that the bond is said to be ionic.

A bond will be 100% ionic only when one of the bonded atoms completely takes the bonding electrons.This can only happen when one of the bonded atoms has zero electronegativity value.But no atom has zero eletronegativity value.So no bond can have 100% ionic character.

The maximum ionic character found is 92% that is of CsF it has electronegativity difference 3.3
Why no Bond has 100% ionic character ? Why no Bond has 100% ionic character ? Reviewed by M.Zulqarnain on 18:05 Rating: 5

10 comments:

  1. In ionic compound atom can't take electron because there is a gaining or loosing of electron.

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  2. How can an bonded atom of 0 electronegitivity can completely take up an electron from donor mean action?

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