A few ways to help remember the difference between cation and anion...

 

Precious little kitty CATS always help you feel PAWSITIVE (while anions make you feel negative - get it?!)

Okay, okay, I had to! Let's try another one though...

cations

See how that "t" sort of looks like a plus sign? Now, whenever you see cation written, the clue is already in the word!

 


http://www.differencebetween.info/difference-between-cation-and-anion