Multiple Choice
Which type of bond forms when two or more atoms share electrons?
11. Bonding & Molecular Structure
Chemical Bonds
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Which statement accurately describes covalent bonds?
A
Covalent bonds are formed between metals and nonmetals.
B
Covalent bonds are weaker than hydrogen bonds.
C
Covalent bonds involve the sharing of electron pairs between atoms.
D
Covalent bonds result from the transfer of electrons from one atom to another.
Verified step by step guidance1
Understand the nature of covalent bonds: Covalent bonds are a type of chemical bond where atoms share pairs of electrons. This sharing allows each atom to attain the electron configuration of a noble gas, achieving greater stability.
Differentiate between covalent bonds and other types of bonds: Unlike ionic bonds, which involve the transfer of electrons from one atom to another, covalent bonds involve sharing electrons. Ionic bonds typically occur between metals and nonmetals, whereas covalent bonds usually form between nonmetals.
Clarify the strength comparison: Covalent bonds are generally stronger than hydrogen bonds. Hydrogen bonds are a type of weak interaction that occurs between molecules, often involving a hydrogen atom bonded to a highly electronegative atom like oxygen or nitrogen.
Identify the correct statement: The accurate description of covalent bonds is that they involve the sharing of electron pairs between atoms. This sharing can be equal (nonpolar covalent bond) or unequal (polar covalent bond), depending on the electronegativity of the atoms involved.
Review the incorrect statements: Covalent bonds do not result from the transfer of electrons, nor are they typically formed between metals and nonmetals. These characteristics are more aligned with ionic bonds.
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