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

unit 4-section 1

vocab words

Ion an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
Cation an ion with net positive charge, having more protons than electrons
Anion an ion with net negative charge, having more electrons than proton
Oxidation Number numerical charge on the ions of an element
Valence Electron an electron in the outer shell of an atom which can combine with other atoms to form molecules
Octet Rule a simple chemical rule of thumb that states that atoms tend to combine in such a way that they each have eight electrons in their valence shells
Ionic Bond a chemical bond between two ions with opposite charges
Covalent Bond a chemical bond formed by the sharing of one or more electrons
Molecular Compound the simplest unit of a chemical compound that can exist, consisting of two or more atoms held together by chemical bonds
Binary Compound chemical compound composed of only two elements
Polyatomic Ion an electrically charged species formed by covalent bonding of atoms of two or more different elements
Organic Compound any compound of carbon and another element or a radical
Hydrate a chemical compound that can dissociate reversibly into water and another compound
Diatomic Molecule a molecule with two atoms
Created by: 375princess



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