Halides are chemical compounds that consist of a halogen element combined with another element or group. The halogens include fluorine, chlorine, bromine, iodine, and astatine. These compounds can be ionic or covalent, depending on the nature of the bond formed between the halogen and the other element. Halides are commonly found in nature and are important in various chemical processes. Halides play a significant role in many industries, including pharmaceuticals, agriculture, and food preservation. For example, sodium chloride (table salt) is a well-known halide used for seasoning and preserving food. Additionally, halides are used in the production of fluorinated compounds, which have applications in refrigeration and air conditioning.