Question

Why halogens are called so? ​

Answer 1

Answer:

When these elements react with sodium, they produce salts. The most well-known of these is sodium chloride, or common table salt (also called halite). The word halogen comes from the Greek roots hal- meaning “salt” and -gen meaning “to produce.”

Answer 2

When these elements react with sodium , they produce salts . So they are called halogens.