Here's an idea of how you might want to set-up flash cards for memorizing ions.
Front
|
Copper
|
Back
| Cu
2+ ion
also known as cupric ion
|
I would highlight all of my 2+ ions with the same color. Get it charge of two equals blue Yuk : ) !!!!
If you've gotten this far. You are persistent. Show me your complete, color coded, flashcards for 100 pts of extra credit.