BIOCHEMISTRY
POLAR AND NONPOLAR MOLECULES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The most electronegative atom in the Periodic table is ____
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Fluorine
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Francium
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Neon
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Phosphorous
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Explanation:
Detailed explanation-1: -Fluorine is the most electronegative element because it has 5 electrons in it’s 2P shell. The optimal electron configuration of the 2P orbital contains 6 electrons, so since Fluorine is so close to ideal electron configuration, the electrons are held very tightly to the nucleus.
Detailed explanation-2: -Fluorine is the most electronegative element on the periodic table. Its electronegativity value is 3.98. Cesium is the least electronegative element.
Detailed explanation-3: -F is the most electronegative element on the periodic table. Followed by O, then N and Cl. In general the electronegativity of an element increases as one goes up a family.
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