Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Polyatomic I.o.n.s.

NH4 + Ammonium ion
H3O + Hydronium ion
OH - Hydroxide ion
CN - Cyanide ion
SCN - Thiocyanate ion
S2O3 2- Thiosulfate ion
CrO4 2- Chromate ion
Cr2O7 2- Dichromate ion
MnO4 - Permanganate ion
C2H3O2 - Acetate ion
C2O4 2- Oxalate ion
CO3 2- Carbonate ion
HCO3 - Bicarbonate ion
NO2 - Nitrite ion
NO3 - Nitrate ion
HSO3 - Bisulfite ion
SO3 2- Sulfite
SO4 2- Sulfate ion
HSO4 - Bisulfate ion
PO3 3- Phosphite ion
PO4 3- Phosphate ion
HPO4 2- Monohydrogen phosphate ion
H2PO4 - Dihydrogen phosphate ion
ClO - Hypochlorite ion
ClO2 - Chlorite ion
ClO3 - Chlorate ion
ClO4 - Perchlorate ion
Created by: Kovalchuk17