##  [Ion](/ion) 

  ##  [Ion](https://natural.quantumdictionary.io/ion-0) 

  

 [![Natural & Formal Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Natural%20%26%20Formal%20Sciences.png.webp?itok=2kCDRVQv)](/topic-specific-dictionaries/natural-formal-sciences)



**Natural & Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

An atom or group of atoms that carries a net electrical charge because it has gained or lost one or more electrons compared with its neutral state.