http://digfir-published.macmillanusa.com/hm_custom_osu/hmosu slides-experiment 10.html\tChapter 1. Molecular Geometry, Bonding, and Polarity
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http://digfir-published.macmillanusa.com/hm_custom_osu/hmosu slides-experiment 10_dlap.xml\tDLAP questions\t50129e80b11c0f644d000000