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

Oxidation States Ion

Some elements and Polyatomic Ions

ammonium NH4 +1
copper (I) Cu +1
Hydrogen H +1
Lithium Li +1
Potassium K +1
Sodium Na +1
Silver Ag +1
Barium Ba +2
Calcium Ca +2
Cobalt Co +2
Copper (II) Cu +2
Iron Fe +2
Lead (II) Fe +2
Magnesium Mg +2
Mercury Hg +2
Nickel Ni +2
Tin (II) Sn +2
Zinc Zn +2
Aluminum Al +3
Antimony Sb +3
Bismuth Bi +3
Chromium Cr +3
Iron (III) Fe +3
Lead (IV) Pb +4
Tin (IV) Sn +4
Acetate C2H3O2 -1
Bromide Br -1
Chlorate ClO3 -1
Chlorite ClO2 -1
Chloride ClO -1
Cyanide CN -1
Flouride F -1
Hydride H -1
Hydrogen Carbonate (Bicarbonate) HCO3 -1
Hydroxide OH -1
Iodide I -1
Nitrate NO3 -1
Nitrite No2 -1
Permangate MnO4 -1
Thiocyanate SCN -1
Perchlorate ClO4 -1
Hydrogen Sulfate (Bisulfate) HSO4 -1
Hydrogen Sulfite (Bisulfite) HSO3 -1
Hypochlorite ClO -1
Carbonate CO3 -2
Chromate CrO4 -2
Dichromate Cr2O7 -2
Oxide O -2
Peroxide O2 -2
Sulfate SO4 -2
Sulfite SO3 -2
Sulfide S -2
Thiosulfate S2O3 -2
Phosphate PO4 -3
Created by: Ashle



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