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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

24 Polyatomic Ions

A set of 24 polyatomic ions

Nitrate NO3 -
Sulfate SO4 2-
Hydroxide OH -
Phosphate PO4 3-
Nitrite NO2 -
Sulfite SO3 2-
Permanganate MnO4 -
Hydrogen Phosphate HPO4 2-
Hypochlorite ClO -
Hydrogen Sulfate HSO4 -
Cyanide CN -
Phosphite PO3 3-
Chlorite ClO2 -
Hydrogen Sulfite HSO3 -
Dichromate Cr2O7 2-
Dihydrogen Phosphate H2PO4 -
Chlorate ClO3 -
Carbonate CO3 2-
Chromate CrO4 2-
Ammonium NH4 +
Perchlorate ClO4 -
Hydrogen Carbonate HCO3 -
Acetate C2H3O2 -
Hydrogen Phosphite HPO3 2-
NO3 - Nitrate
SO4 2- Sulfate
OH - Hydroxide
PO4 3- Phosphate
NO2 - Nitrite
SO3 2- Sulfite
MnO4 - Permanganate
HPO4 2- Hydrogen Phosphate
ClO - Hypochlorite
HSO4 - Hydrogen Sulfate
CN - Cyanide
PO3 3- Phosphite
ClO2 - Chlorite
HSO3 - Hydrogen Sulfite
Cr2O7 2- Dichromate
H2PO4 - Dihydrogen Phosphate
ClO3 - Chlorate
CO3 2- Carbonate
CrO4 2- Chromate
NH4 + Ammonium
ClO4 - Perchlorate
HCO3 - Hydrogen Carbonate
C2H3O2 - Acetate
HPO3 2- Hydrogen Phosphite
Created by: shockdude



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

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