Bromine is a reddish-brown liquid at room temperature and is one of the few elements that are liquid under normal conditions. It belongs to the group of elements known as halogens, which also includes fluorine, chlorine, and iodine. Bromine has a strong, unpleasant smell and is used in various applications, including flame retardants and certain types of pharmaceuticals. This element is found naturally in seawater and in mineral deposits. Due to its reactivity, bromine is often used in chemical reactions and processes. It is important to handle bromine with care, as it can be harmful to skin and respiratory health.