Multiple Choice
Which of the following is not considered a chemical bond?
11. Bonding & Molecular Structure
Chemical Bonds
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Which of the following best describes the atoms involved in the formation of a covalent bond?
A
Atoms gain electrons to form negative ions.
B
Atoms transfer electrons to achieve a full outer shell.
C
Atoms lose electrons to form positive ions.
D
Atoms share electrons to achieve a full outer shell.
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 to achieve a full outer shell, leading to a more stable electron configuration.
Recognize the difference between covalent and ionic bonds: In ionic bonding, atoms transfer electrons to form ions, whereas in covalent bonding, atoms share electrons.
Identify the goal of atoms in forming covalent bonds: Atoms aim to achieve a full outer shell, often following the octet rule, which states that atoms are most stable when they have eight electrons in their valence shell.
Consider the electron sharing in covalent bonds: When two atoms share electrons, they effectively count the shared electrons towards their own valence shell, helping them achieve stability.
Apply this understanding to the given options: The correct description of atoms in a covalent bond is that they share electrons to achieve a full outer shell, distinguishing it from gaining or losing electrons as seen in ionic bonding.
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