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Question
Which of the following elements is the most electronegative?
Which of the following elements is the most electronegative?
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Solution
The correct option is D Fluorine
Electronegativity is the tendency of an atom to gain electron(s) in order to attain noble gas configuration.
It decreases as we go down the group and increases as we go from left to right in a period. Since fluorine is the rightmost element in the second period, it is the most electronegative element in the periodic table.
Although noble gases are placed in the rightmost side of the periodic table, we cannot compare electronegativity of other elements with them. It is because noble gases have stable electronic configuration and are chemically inert (does not react).
Electronegativity is the tendency of an atom to gain electron(s) in order to attain noble gas configuration.
It decreases as we go down the group and increases as we go from left to right in a period. Since fluorine is the rightmost element in the second period, it is the most electronegative element in the periodic table.
Although noble gases are placed in the rightmost side of the periodic table, we cannot compare electronegativity of other elements with them. It is because noble gases have stable electronic configuration and are chemically inert (does not react).
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