Potassium iodide is a compound that is normally added to table salt. That is why the carton or bag identifies the product as "iodized" salt. Why is this done? It is to make sure that people get enough iodine in their diet to prevent disease of the thyroid gland.
Since 1924, when the Morton™ Company began adding potassium iodide to table salt, goiter (an inflammation of the thyroid gland) has been virtually eliminated.
Which of the following models is the BEST representation of the structure of potassium iodide?