Multiple Choice
Which of the following statements correctly describes the Lewis dot structure of neutral OCl2 (dichlorine monoxide)?
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11. Bonding & Molecular Structure
Lewis Dot Structures: Neutral Compounds
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Which of the following best describes the Lewis dot structure of a neutral F2 molecule?
A
Each fluorine atom shares two pairs of electrons, forming a double bond, and each atom has two lone pairs.
B
The two fluorine atoms do not share any electrons and each has four lone pairs.
C
Each fluorine atom shares one pair of electrons, forming a single bond, and each atom has three lone pairs.
D
Each fluorine atom shares three pairs of electrons, forming a triple bond, and each atom has one lone pair.
Verified step by step guidance1
Recall that a Lewis dot structure represents the valence electrons of atoms, showing bonding pairs (shared electrons) and lone pairs (non-bonding electrons).
Determine the number of valence electrons for each fluorine atom. Fluorine is in group 17, so it has 7 valence electrons.
Since the molecule is F2, two fluorine atoms come together. To achieve a stable octet, each fluorine atom shares one electron with the other, forming a single covalent bond.
After sharing one pair of electrons (the single bond), each fluorine atom will have 6 remaining valence electrons as lone pairs. These 6 electrons form three lone pairs around each atom.
Summarize the Lewis structure: a single bond (one shared pair of electrons) between the two fluorine atoms, and three lone pairs on each fluorine atom, completing their octets.
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