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.
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 Ions

Ammonium NH_4+1
Acetate C_2H_3O_2-1 CH_3COO-1
Chlorate ClO_3-1
Chlorite ClO_2-1
Cyanide CN-1
Hydrogen carbonate (Bicarbonate) HCO_3-1
Hydroxide OH-1
Hypochlorite ClO-1
Nitrate NO_3-1
Nitrite NO_2-1
Perchlorate ClO_4-1
Permanganate MnO_4-1
Carbonate CO_3-2
Chromate CrO_4-2
Dichromate Cr_2O_7-2
Oxalate C_2O_4-2
Sulfate SO_4-2
Sulfite SO_3-2
Phosphate PO_4-3
Phosphite PO_3-3
Created by: puppydog2589