Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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
edit
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

chemitry

L 1-4

TermDefinition
matter anything that has mass and takes up space.
chemistry the study of the properties of matter and how matter changes.
substance a single kind of matter that is pure and has a specific set of properties.
physical property a characteristic of pure substance that can be observed without changing it into another sentence.
chemical property a characteristic of pure substance that describes it ability to change into different substances.
element A substance that cannot be broken down into any other substances by chemical or physical means.
atom The basic particle of which all elements are made up of; smallest particle of an element.
chemical bond The force of attraction that holds two atoms together
molecule A neutral group of two or more atoms held by covalent bonds.
compound a substance made of two or more elements chemically combined in a specific ratio or proportion.
chemical formula Symbols that show the elements in a compound and the ratio of atoms.
mixture Two or more substances that are together in the same place but their atoms are not chemically bonded.
weight the measure of force of gravity acting on an object.
mass The amount of matter in an object.
International System of Units A system of measurment based off of ten and on established measures of mass, length, and time.
volume the amount of space matter occupies.
density The ratio of mass of a substance to its volume.
physical change A change that alters the or appearance of a material but does not change the substance.
chemical change A change in which one or more substances combine or break apart from to form new substances.
law of conservation of mass The total amount of matter is neither nor destroyed during chemical or physical change.
temperature how hot or cold something is; a measure of the average energy motion in particles
thermal energy the total energy of the motion of all the particles of an object
endothermic change a change in which energy is absorbed
exothermic change a change in which energy is released
chemical energy a form of energy that is stored in the chemical bonds between atoms.
Created by: atrudeau006
 

 



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