Multiple Choice
Which of the following best describes the atoms involved in the formation of a covalent bond?
11. Bonding & Molecular Structure
Chemical Bonds
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What happens when a covalent bond forms?
A
Electrons are shared between atoms.
B
Atoms gain electrons to form negative ions.
C
Electrons are transferred from one atom to another.
D
Atoms lose electrons to form positive ions.
Verified step by step guidance1
Understand the concept of a covalent bond: A covalent bond is a type of chemical bond where atoms share pairs of electrons.
Identify the key characteristic of covalent bonding: Unlike ionic bonds, which involve the transfer of electrons, covalent bonds involve sharing electrons between atoms.
Recognize the result of electron sharing: When atoms share electrons, they achieve a more stable electron configuration, often resembling the electron configuration of noble gases.
Differentiate between covalent and ionic bonds: In ionic bonds, electrons are transferred from one atom to another, resulting in the formation of positive and negative ions. In covalent bonds, no such transfer occurs; instead, electrons are shared.
Apply this understanding to the problem: The correct answer is that electrons are shared between atoms, which is the defining feature of covalent bonds.
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