3.3.1: Introduction to free radicals: Define free radicals and describe their formation and reactivity in organic chemistry.

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3.3.2: Homolytic fission & curly arrows: Explain the process of homolytic fission and represent electron movement using single-barbed (curly) arrows.

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3.3.3: Free Radical Mechanism: Describe the three stages (initiation, propagation, termination) of the free radical substitution mechanism.