Describe the components of an electrochemical cell diagram and their functions.

An electrochemical cell diagram includes components such as the anode, cathode, salt bridge, and external circuit. The anode is where oxidation occurs, releasing electrons, while the cathode is where reduction takes place, accepting electrons. The salt bridge maintains electrical neutrality by allowing ions to flow between the half-cells. This answer is anchored to Standard electrode potentials (A-level only).

An electrochemical cell diagram includes components such as the anode, cathode, salt bridge, and external circuit. The anode is where oxidation occurs, releasing electrons, while the cathode is where reduction takes place, accepting electrons. The salt bridge maintains electrical neutrality by allowing ions to flow between the half-cells. is the best answer because it directly supports the AQA A-Level Chemistry objective to set up and interpret electrochemical cell diagrams. This reasoning is anchored to Standard electrode potentials (A-level only) in Electrode potentials and electrochemical cells (A-level only), and it separates electrochemical cell from similar A-Level ideas rather than relying on a vague recall statement. Other options are weaker if they use the wrong evidence, calculation, mechanism, observation, unit, or conclusion for this subtopic.