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CHEM 151 (35)
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Lecture 7

CHEM 151 Lecture 7: Chem 151- Unit 2 Module 3
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Department
Chemistry
Course
CHEM 151
Professor
kumirov
Semester
Spring

Description
Chemistry Unit 2 Module 3 Predicting Geometry **In general, the most stable structures are those in which each atom forms as many bonds as unfilled electron states are available in their valence shells. **Double bonds tend to be shorter than single bonds between the same atoms because of a stronger net attraction between bonding electrons and their atomic nuclei. Resonance: valence electrons are delocalized across more than one covalent bond. Electrons get delocalized → KE goes down, PE goes down **Net decrease in total energy stabilizes the molecule Free radicals: have unpaired valence electrons and can be neutra
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