Question

Define electronegativity? Which is the most electronegative element on periodic table? ​

Answer 1

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Electronegativity refers to the ability of an atom to attract shared electrons in a covalent bond. ... Electronegativity increases from bottom to top in groups, and increases from left to right across periods. Thus, fluorine is the most electronegative element, while francium is one of the least electronegative.

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Answer 2

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Answer....

✔️ELECTRONEGATIVITY → It is defined as the tendency of an atom to attract an electron pair towards itself while forming a bond .

✔️The atom having highest electronegativity in the periodic table is Fluorine with the value of 4.0 .

➳On moving down the group the electronegativity decreases due to increase in size of atom .

➳On moving left to right across a periodic table the electronegativity increases due to decrease in size .

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