Multiple Choice
Based on Table H, which compound has the strongest intermolecular forces at a vapor pressure of 60 kPa?
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13. Liquids, Solids & Intermolecular Forces
Intermolecular Forces
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Neon atoms are attracted to each other by which type of intermolecular force?
A
London dispersion forces
B
Dipole-dipole interactions
C
Ionic bonds
D
Hydrogen bonding
Verified step by step guidance1
Identify the nature of neon atoms: Neon is a noble gas and exists as single atoms (monatomic) rather than molecules.
Recall that neon atoms are nonpolar because they have a complete octet and no permanent dipole moment.
Understand that because neon atoms are nonpolar and monatomic, they cannot exhibit dipole-dipole interactions or hydrogen bonding, which require polar molecules or specific atoms like H bonded to N, O, or F.
Recognize that the only type of intermolecular force possible between neon atoms is the London dispersion force, which arises from temporary fluctuations in electron distribution creating instantaneous dipoles.
Conclude that neon atoms are attracted to each other by London dispersion forces, the weakest type of intermolecular force present in all atoms and nonpolar molecules.
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