Definition

Relating to or containing a group of elements in the periodic table that includes fluorine, chlorine, bromine, iodine, and astatine, known for their reactivity and ability to form salts with metals.

Example

The halogen compounds are often used in disinfectants and light bulbs.

Conversation

Have you seen those new halogen lights they installed in the store?

Yeah, they’re super bright!

I think they make everything look more vibrant, don't you?

Absolutely! I love how they highlight the colors.

Synonyms & Antonyms

Definition

A group of five nonmetal elements that include fluorine, chlorine, bromine, iodine, and astatine, known for their chemical reactivity.

Example

Fluorine is the most reactive halogen and is used in many chemical applications.

Conversation

Have you ever heard of a halogen?

Yeah, I remember learning about them in chemistry class.

Right? They include elements like chlorine and iodine.

Root Explanation

Halogen → It is formed from "halo-" (from Greek "halos", meaning salt) and "-gen" (from Greek "genes", meaning born of or producing). The word "halogen" refers to elements that produce salts when combined with metals.

Memory Tip

Think of 'salt' ('halo-') being 'produced' ('-gen') by certain elements — that's why halogens are known for forming salts.

Visually Confused Words