Halogens are a group of elements in the periodic table that include fluorine, chlorine, bromine, iodine, and astatine. These elements are highly reactive and are known for their distinctive chemical properties. There are several different synonyms for the word "Halogens" that are often used in scientific contexts. Some of these synonyms include "halide elements," "halogen series," and "group 17 elements." These terms are used interchangeably to refer to the same group of elements and are useful for grouping them together based on their chemical and physical properties. Overall, the use of these synonyms helps to simplify scientific language and make it easier for researchers to communicate with one another on important topics.