Question

Define Electronegativity_‽ ​

Answer 1

It is the the tendency of an atom to attract the shared pair of electrons towards itself in a chemical bond. It is a dimensionless quantities and is relative .There are different scales on which it can be measured.
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Answer 2

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$\mathtt{Electronegativity}$

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• ${\underline{\bf{What\:is\:Electronegativity?}}}$

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It is a dimensionless property because it is only a tendency. It basically indicates the net result of the tendencies of atoms in different elements to attract the bond-forming electron pairs.

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• ${\underline{\bf{Definition}}}$

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The tendency of an atom in a molecule to attract the shared pair of electrons towards itself is known as electronegativity.

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• ${\underline{\bf{Factors.\:affecting\:electronegativity}}}$

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${\underline{\bf{1.\:Size\:of\:an\:atom}}}$

${\underline{\bf{2.\:Nuclear\:Charge}}}$

${\underline{\bf{3.\:Effect\:of\:substituent}}}$

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$\bf{Hope\:it\:helps\:you..}$