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 IonsHChem

CN^(-) cyanide
OH^(-) hydroxide
NO3^(-) nitrate
NO2^(-) nitrite
HCO3^(-) bicarbonate
MnO4^(-) permanganate
CH3CO2^(-) acetate
ClO^(-) hypochlorite
ClO2^(-) chlorite
ClO3^(-) chlorate
ClO4^(-) perchlorate
CO3^(2-) carbonate
SO4^(2-) sulfate
SO3^(2-) sulfite
CrO4^(2-) chromate
O2^(2-) peroxide
PO4^(3-) phosphate
NH4^(+) ammonium
Created by: asparcel