A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Definition: name given to the H3O+ cation, derived from the protonation of water. The hydronium ion is the simplest type of oxonium ion.
This is the Lewis structure or electron dot diagram for the hydronium ion.
Anne Helmenstine
Return to the Chemistry Glossary Index
Explore Chemistry
Must Reads
More from About.com
Work Hard, Travel Easy
The best tips for business travelers.Dog Care
Get tips on training and caring for dogs of all ages.48 Hours in Vegas
Plan a hot weekend in Sin City.Hotel Advice
The must-stay hotels worldwide.
©2008 About.com, a part of The New York Times Company.
All rights reserved.