Multiple Choice
Which statement describes the valence electrons in ionic bonds?
10. Periodic Properties of the Elements
Valence Electrons of Elements
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What happens to the valence electrons in a covalent bond?
A
They are lost to the surrounding environment.
B
They are shared between atoms.
C
They are transferred from one atom to another.
D
They are confined to a single atom.
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 role of valence electrons: Valence electrons are the outermost electrons of an atom and are involved in forming bonds.
Recognize the difference between covalent and ionic bonds: In covalent bonds, electrons are shared between atoms, whereas in ionic bonds, electrons are transferred from one atom to another.
Visualize electron sharing: In a covalent bond, each atom contributes one or more of its valence electrons to form a shared pair, creating a stable electron configuration.
Apply this understanding to the problem: The valence electrons in a covalent bond are shared between atoms, allowing them to achieve a full outer electron shell.
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