What is the electrode connected to the negative terminal of an electrolytic cell called?

The electrode connected to the negative terminal of an electrolytic cell is called the cathode. In an electrolytic cell, the cathode is where reduction occurs; this is the process by which electrons are gained by ions or atoms. Since the cathode is the site of reduction, it attracts cations (positively charged ions) from the electrolyte. This is in contrast to the anode, which is connected to the positive terminal and is where oxidation occurs, meaning it is the site where electrons are released from atoms or ions.

In summary, the two electrodes serve distinct functions in the process of electrolysis, with the cathode being essential for conducting the reduction reaction and facilitating the movement of cations from the solution.