A non-polar covalent bond is best described as:

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To understand the concept, we examine what a non-polar covalent bond entails in terms of electron sharing and charge distribution.
Option a: Equal sharing of electrons within the bond. This is accurate because non-polar covalent bonds form when two atoms have similar or identical electronegativities, leading to a balanced distribution of electron density between the bonded atoms.
Option b: Attraction to a nearby atom of the opposite charge. This describes ionic or polar interactions, not a non-polar covalent bond, which does not rely on electrostatic attraction to a charged partner.
Option c: Attraction to a nearby atom of the same charge. Similar to option b, this implies an external electrostatic influence from a charged neighbor, which is not the defining feature of a non-polar covalent bond.
Option d: Unequal sharing of electrons within the bond. Unequal sharing corresponds to a polar covalent bond, where electronegativity differences cause partial charges; thus it does not describe a non-polar bond.
In summary, the key characteristic of a non-polar covalent bond is equal sharing of electrons due to similar electronegativities, making option a the correct description.

CHM1051 MUM S2 2025 CHM1051 Practice Exam 1

A non-polar covalent bond is best described as:

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