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

Chem Unit 1

Chemistry chemisty deals with the properties and reactions of subsatnces
matter matter is anything that has mass and occupies space. Exists in three pashes: solid, liquid, gas
Pure Substances each of which has a fixed composition and a unique set of poroperties
mixtures contains two or more substances combined in such a way that each substance retains its chemical identity
element a type of mater tha cannot be broken down into two or more pure substances. There are 15 elements and they are identified by their symbols.
Compounds a pure substance that contains more tha 1 element. have a fixed compisitionand a given compound contains teh same elements inthe same percentages.
Homogeneous a mixture in which the compostion is teh same throughout.
heterogeneous mistures in which the compostion varies throughout.
Filltration, Distillation, Chromatagraphy lab methods used to separate the components of a mixture
Precision how close answers are to echother (reproducibility)
Accuracy how close answer is to the accepted value
conversion factor technique to change one unit to another using a conversion factore.
Intensive property used to identify a subsatnce, independent of amount
Extensive properties depend on amount
Chemical Property ovbserved when the substance changes to a new one
Physical property observed without changing the substance to a new one
saturated solution maximun amount of solute is dissolved at a given temp.
unsaturated solution more solute can dissolve at a given temp.
supersaturated solution more than maximum amount of solute is dissolved at a given temp.
Created by: cnov232



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