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Which of the following elements has the highest electronegativity in the periodic table?
Oxygen
Fluorine
Chlorine
Nitrogen
Fluorine
Fluorine is the most electronegative element in the periodic table, with a value of 3.98 on the Pauling scale. Its high electronegativity arises from its small atomic radius and high effective nuclear charge, which strongly attract bonding electrons.
Fluorine is the most electronegative element in the periodic table, with a value of 3.98 on the Pauling scale. Its high electronegativity arises from its small atomic radius and high effective nuclear charge, which strongly attract bonding electrons.
This concept relates to the Periodic Table developed by Dmitri Mendeleev, who arranged elements by increasing atomic mass, later modified by Henry Moseley to atomic number, which is the foundational framework for modern Indian competitive chemistry exams.
Fluorine is the most electronegative element, followed by Oxygen.
Electronegativity generally increases across a period from left to right and decreases down a group.
The Pauling scale is the most common system used to measure electronegativity values.
Oxygen holds the second-highest electronegativity (3.44) and Nitrogen holds the third (3.04).
Chlorine has an electronegativity of 3.16, making it less electronegative than both Fluorine and Oxygen.
Noble gases are generally excluded from electronegativity trends because they have a complete octet and rarely participate in bonding.
B is correct тАФ Fluorine possesses the highest electronegativity due to its small size and powerful nucleus which exerts a strong pull on shared electron pairs.
Always link Periodic Trends (Electronegativity, Ionization Energy, Atomic Size) with chemical bonding chapters, as these properties determine how atoms form covalent or ionic bonds.
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