Multiple Choice
How many lone pairs of electrons are present in the Lewis dot structure of ammonia (NH_3)?
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11. Bonding & Molecular Structure
Lewis Dot Structures: Neutral Compounds
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Which of the following is typically shown in a Lewis dot structure for a neutral compound?
A
All electrons, including both valence and core electrons
B
All valence electrons, including lone pairs and bonding pairs
C
Only the core (inner shell) electrons
D
Only the atomic nuclei
Verified step by step guidance1
Understand that a Lewis dot structure is a way to represent the valence electrons of atoms in a molecule, which are the electrons involved in bonding and chemical reactions.
Recall that core (inner shell) electrons are not typically shown in Lewis structures because they do not participate in bonding.
Recognize that Lewis structures display all valence electrons, including those that form bonds (bonding pairs) and those that remain as lone pairs (non-bonding pairs).
Note that atomic nuclei are not shown in Lewis structures; the focus is on electrons around the atoms.
Conclude that the correct representation in a Lewis dot structure for a neutral compound includes all valence electrons, both bonding and lone pairs.
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