Multiple Choice
What type of covalent bonds involve equal sharing of electrons between atoms?
11. Bonding & Molecular Structure
Chemical Bonds
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How is a polar covalent bond different from a nonpolar covalent bond?
A
A polar covalent bond involves equal sharing of electrons between atoms.
B
A nonpolar covalent bond results in the formation of ions.
C
A polar covalent bond involves unequal sharing of electrons, leading to partial charges.
D
A nonpolar covalent bond involves the transfer of electrons from one atom to another.
Verified step by step guidance1
Understand the concept of a covalent bond: A covalent bond is formed when two atoms share electrons. This type of bond typically occurs between nonmetal atoms.
Differentiate between polar and nonpolar covalent bonds: In a nonpolar covalent bond, the electrons are shared equally between the two atoms because they have similar electronegativities. In a polar covalent bond, the electrons are shared unequally due to a difference in electronegativity between the two atoms.
Recognize the characteristics of a polar covalent bond: In a polar covalent bond, the atom with the higher electronegativity will attract the shared electrons more strongly, resulting in a partial negative charge on that atom and a partial positive charge on the other atom.
Identify the characteristics of a nonpolar covalent bond: In a nonpolar covalent bond, the atoms involved have similar or identical electronegativities, leading to an equal sharing of electrons and no partial charges.
Clarify misconceptions: A polar covalent bond does not involve equal sharing of electrons, nor does it result in the formation of ions. A nonpolar covalent bond does not involve the transfer of electrons, which is characteristic of ionic bonds.
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