Electronegativity... is the ability of one atoms to "steal" an electrons from another atom is why oxygen has a partial negative charge in a water molecule creates polarity in covalent bonds all of the above

is the ability of one atoms to "steal" an electrons from another atom .

Explanation:

Electronegativity is the property of an atom which increases with its tendency to attract the electrons of a bond.

Electronegativity is determined by factors like the nuclear charge (the more protons an atom has, the more "pull" it will have on electrons) and the number/location of other electrons present in the atomic shells (the more electrons an atom has, the farther from the nucleus the valence electrons will be, and as a result the less positive charge they will experience both because of their increased distance from the nucleus, and because the other electrons in the lower energy core orbitals will act to shield the valence electrons from the positively charged nucleus).

This is necessary for bond formation because atoms whose electronegativity values have large differences form ionic bonds while those of close electronegativity values form covalent bonds.

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