In a corrosion context, electrons move through _____ while ions move through _____.

In a corrosion context, understanding the movement of electrons and ions is fundamental. Electrons, which carry a negative charge, move through conductive materials, typically wires, as part of an electrochemical reaction. This movement facilitates the flow of electrical current and is crucial for processes like cathodic protection, where the flow of electrons helps to mitigate corrosion.

Conversely, ions, which can be positively or negatively charged, move through an electrolyte. An electrolyte is a substance that contains free ions and can conduct electricity when dissolved in a solvent, such as water. This movement of ions is essential for completing the electrochemical circuit, allowing corrosion reactions to occur and maintaining charge balance.

By recognizing that electrons travel through wires and ions navigate through the electrolyte, it becomes clear how essential these processes are in the context of corrosion, particularly when assessing the effectiveness of protective measures and the overall health of maritime materials.