What happens to electrons during an oxidation reduction reaction

A redox (reduction-oxidation) reaction involves transfer of electrons between two species.

Oxidation reaction involves loss of electrons and the species undergoing oxidation is termed as a reducing agent. Here loss of electrons is accompanied by an increase in the oxidation state/oxidation number.

Reduction reactions proceed via gain of electrons, the one undergoing reduction which is termed as an oxidising agent. Here the gain of electrons is accompanied by decrease in the oxidation state/oxidation number of that particular species.

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explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.