Why each atom shows electronegativity. i.e what is the basic cause of electroneagativity.

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Electronegetivity is a measure of the tendency of an atom to attract a bonding pair of electrons.
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Actually "electronegativity" is not a property of an atom alone, but rather a property of an atom in a molecule. Properties of a free atom include "ionization energy" and "electron affinity". Electronegativity of an element will vary with its chemical environment, but it is usually considered to be a...
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Actually "electronegativity" is not a property of an atom alone, but rather a property of an atom in a molecule. Properties of a free atom include "ionization energy" and "electron affinity". Electronegativity of an element will vary with its chemical environment, but it is usually considered to be a "transferable property". read less
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As the effective nuclear charge increases (size decreases) nucleus tends to attract outermost electrons more effectively. On moving left to right on periodic table, electronegativity increases while it decreases on moving from top to bottom.
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Physico

Missing electrons to make their electronic configuration like noble gases.
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SHARED PAIR OF ELECTRONS.
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because each atom has concentrated nuclear charge at center, if the effective nuclear charge is more atom try to attract electron density due to this phenomenon atom shows electronegativity . as the effective charge increases, electronegativity is also increases.
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Chemist

Electronegativity is the tendency to attract a single or pair of electrons to atoms outermost shell to form bonding. The positive potential charge particle called proton present in the necl
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Chemist

Electronegativity is the tendency to attract a single or pair of electrons to atoms outermost shell to form bonding. The positive potential charge particle called proton present in the nucleus pulls the electrons towards nucleus. It shows electronegativity of an atom
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Electronegativity means the tendency to attract lone pair of electrons and the compounds containing electronegative elements become polar such as H2O or water.O attracts the electron cloud towards itself thus imparting ionic character to the covalent bonding in water between H and O.The most electronegative...
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Electronegativity means the tendency to attract lone pair of electrons and the compounds containing electronegative elements become polar such as H2O or water.O attracts the electron cloud towards itself thus imparting ionic character to the covalent bonding in water between H and O.The most electronegative is Fluorine.F>O>N. read less
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