+ION- was made for you so you can spend your time learning polyatomic ions instead of making flashcards. Plain, simple, and FREE!
** Scroll to see the formula for the given name and vice versa. Use up and down arrows in upper right corner to view the next ion. **
If you have questions or suggestions feel free to contact us: firstname.lastname@example.org
+ iOS 3.X compatibility
Up to six family members will be able to use this app with Family Sharing enabled.