Which of the following best describes a polar covalent bond?Multiple choice question.Brief fluctuations in electron density create oppositely charged regions in two atoms that then attract one anotherElectrons are shared unequally between two atoms.Electrons are shared equally between two atoms.Electrons are transferred from one atom to another to generate oppositely charged ions that are attracted to one another.
Question
Which of the following best describes a polar covalent bond?Multiple choice question.Brief fluctuations in electron density create oppositely charged regions in two atoms that then attract one anotherElectrons are shared unequally between two atoms.Electrons are shared equally between two atoms.Electrons are transferred from one atom to another to generate oppositely charged ions that are attracted to one another.
Solution
The best description for a polar covalent bond is: Electrons are shared unequally between two atoms.
In a polar covalent bond, the electrons are not shared equally because one atom has a stronger pull (or electronegativity) than the other. This unequal sharing of electrons results in a slight charge separation, or polarity, with one end of the bond having a slight negative charge and the other a slight positive charge.
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A covalent bond can best be described as
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