Course review

3.3 Electron sharing reactions (Radicals)

Review each learning objective in this topic, then open its concept explanation or question set.

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Learning objective

3.3.1—Radicals

New

• Molecular entity with unpaired electron • Highly reactive • Recognize radical notation and high reactivity

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Learning objective

3.3.2—Homolytic fission

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• Produces radicals • Halogens with UV light/heat (initiation step) • Use single-barbed arrows for single-electron movement

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Learning objective

3.3.3—Radical substitution

New

• Alkanes + halogens • Propagation and termination steps • Mixture of products • Write initiation, propagation, and termination equations

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