Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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 Ch. 2 VOCAB

Chapter 2 Vocabulary

QuestionAnswer
law of conservation of mass mass can be neither created nor destroyed in an ordinary chemical or physical process
matter anything that has mass and takes up space
mass the amount of matter an object contains
substance matter that has uniform and definite composition
physical property a quality or condition of a substance that can be observed or measured without changing the substance's composition
solid matter that has a definite shape and volume
liquid matter that flows, has a fixed volume, and takes the shape of its container
gas matter that takes both the shape and volume of is container
vapor the gaseous state of a substance that is generally a liquid or solid at room temperature
physical change a change that alters a given material without changing its composition
mixture physical blend of two or more substances
heterogeneous mixture a mixture that is not uniform in composition; you can tell there is multiple things in the mixture
homogeneous mixture a mixture that has a completely uniform composition; you cannot tell there is multiple things in the mixture
solutions a homogeneous mixture
phase any part of a system with uniform composition and properties
distillation a purification process in which a liquid is evaporated and then condensed again to a liquid;
elements a substance that cannot be changed into simpler substances under normal lab conditions
compounds a substance that can be separated into simpler substances only by chemical reactions
chemical symbol a one or two letter representation of an element
chemical reaction the changing of substances to other substances by the breaking of bonds in reactants and the formation of bonds in products
reactants a starting substance in a chemical reaction
products a substance formed in a chemical reaction
chemical property the ability of a substance to undergo chemical reactions and to form now substances
Created by: aricestrand1
 

 



Voices

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:
Retries:
restart all cards