An inquiry-based classroom activity illustrates intermolecular forces affecting states of matter in high school chemistry, suggesting improved engagement.
Chlorine, bromine, and iodine are used to illustrate how intermolecular forces of attraction play a key role in determining the physical state of these elements. An existing laboratory exercise has been modified to a student inquiry-based classroom exercise suitable for a high school AP chemistry class or a college freshman-level introductory chemistry course.
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C. Jayne Wilcox (2004) studied this question.
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