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- When two atoms of different elements form a covalent bond, the electron pair is shared unequally.
- Electronegativity represents attractive force exerted by the nucleus on shared electrons. Electron sharing between covalently bonded atoms takes place using the valence electron.
- It depends upon the effective nuclear charge experienced by electron involved in formation of the covalent bond.
- Electronegativity predicts the nature of the bond, or, how strong is the force of attraction that holds two atoms together.
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