Cathode
Definition
The cathode is the electrode in an electrochemical cell where reduction (gain of electrons) occurs. It is the site where positive ions are attracted and reduced.
Analogy
Think of the cathode as a magnet that attracts positive ions like a powerful vacuum cleaner sucking up dust particles.
Related terms
Anode: The opposite electrode to the cathode, where oxidation (loss of electrons) occurs.
Electrolyte: A substance that conducts electricity when dissolved in water or melted.
Reduction: A chemical reaction involving the gain of electrons.
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