Intermolecular Forces

AP Chemistry· difficulty 3/5

London dispersion forces increase with

A
$Decreasing electron count$
B
$Increasing molar mass / number of electrons (more polarizable)$
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C
$Smaller molecules$
D
$Stronger ionic bonds$

Explanation

More electrons / larger size \to more polarizable \to temporary dipole stronger. e.g., I₂ (solid) >> Cl₂ (gas) at room temperature.

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