what is a good way to remember the difference between cathodes and anodes ?
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The anode is the electrode where electricity moves into. The cathode is the electrode where electricity is given out or flows out of. The anode is usually the positive side. A cathode is a negative side.
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Electrons always flow (through the external circuit) from A to C; Anode to Cathode. at the anode, is oxidation, where the chemicals lose electrons and at the cathode is the reduction where the chemicals gain electrons. Remember LEO the lion goes GER. Every electrochemical cell has a cathode and an anode.
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