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

Chemistry Unit Vocab

Chemistry the study of the properties of matter and how matter changes
Matter anything that has mass and takes up space
Mass a measure of how much matter is in an object
Physical Property characteristic of a substance that can be observed without changing it into another substance
Chemical Property characteristic of a substance that describes its ability to change into a different substance
Solubility the ability of a substance to be dissolved into a liquid
Indicator a compound that changes in the present of acids or bases
Volume the amount of space the matter occupies
Density the measurement of how much mass of a substance is contained in a given substance
Atom the basic particle from which all elements are made
Protons a particle that has a positive charge
Neutrons a particle that has no electric charge
Electrons a particle that has a negative charge
Atomic Number the number of protrons in a nucleus of its atom
Atomic Mass the number of protrons and neutrons in its atom
Molecule group of two or more atoms held together by chemical bonds
Element a pure substance that cannot be changed into a simpler substance
Metals and Nonmetals two major groups of elements that have different physical properties
Metalloids have both properties of metals and nonmetals
Chemical Bond the force of attraction between two atoms
Created by: 02allison.tucci



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