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

Basic, common polyatomic ions for review

Nitrate NO3-
Nitrite NO2-
Chromate CrO4^-2
Dichromate Cr2O7^-2
Cyanide CN-
Permanganate MnO4-
Hydroxide OH-
Peroxide O2^-2
Amide NH2-
Carbonate CO3^-2
Sulfate SO4^-2
Sulfite SO3^-2
Oxalate C2O4^-2
Phosphate PO4^-3
Phosphite PO3^-3
Selenate SeO4^-2
Silicate SiO3^-2
Tartrate C4H4O6^-2
Hexafluorosilicate SiF6^-2
Acetate C2H3O2-
Ammonium NH4+
ClO4- Perchlorate
ClO3- Chlorate
ClO2- Chlorite
ClO- Hypochlorite
IO4- Periodate
IO3- Iodate
IO2- Iodite
IO- Hypoiodite
AsO4^-3 Arsenate
HCO3- Hydrogen Carbonate (Bicarbonate)
HSO4- Hydrogen Sulfate (Bisulfate)
HSO3- Hydrogen Sulfite (Bisulfite)
HC2O4- Hydrogen Oxalate (Binoxalate)
HPO4^-2 Hydrogen Phosphate (Biphosphate)
H2PO4- Dihydrogen Phosphate
HS- Hydrogen Sulfide (Bisulfide)
BO3^-3 Borate
B4O7^-2 Tetraborate
S2O3^-2 Thiosulfate
Azide N3-
Created by: tyjocun