Definition

A type of substance that has the same elements and proportions as another but has a different arrangement of atoms, leading to different properties.

Example

Glucose and fructose are isomers because they have the same chemical formula but different structures.

Conversation

Have you ever heard about isomers?

Yeah, I remember learning about them in chemistry class.

It's fascinating how they have the same elements but different properties.

Exactly! It really shows how arrangement matters in science.

Synonyms & Antonyms

Root Explanation

Isomer → It is formed from "iso-" (meaning equal) and "meros" (meaning part). The word refers to compounds that have the same molecular formula but different structural arrangements, hence they are equal in composition but different in structure.

Memory Tip

Think of 'equal parts' — 'iso-' means equal, and 'meros' means part, which helps you remember that isomers are substances with the same composition but different structures.

Visually Confused Words