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.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
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

Chapter 2 Vocabulary

TermDefinition
Pure substance Simply a substance.
Element A substance that cannot be broken down into simpler substances.
Atom The smallest particle of an element.
Compound A substance that is made from two or more simpler substances and can be broken down into those simpler substances.
Heterogeneous mixture The parts of the mixture are noticeably different from one another.
Homogeneous mixture The substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another.
Solution When substances dissolve and form a homogeneous mixture.
Suspension A heterogeneous mixture that separates into layers over time.
Collid Contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension.
Physical property Any characteristic of a material that can be observed or measured without changing the composition of the substances in the material.
Viscosity The tendency of a liquid to keep from flowing, the resistance to flowing
Condusctivity A material's ability to allow heat to flow.
Malleability The ability of a solid to be hammered without shattering.
Melting point The temperature at which a substance changes from solid to liquid.
Boiling point The temperature at which a substance boils.
Filtration A process that separates materials based on the sizeof their particles.
Distillation A process that separates the substances in a solution based on their boiling points.
Physical change Occurs when some of the properties of a material change, but the substances in the material remain the same.
Chemical property Any ability to produce a change in the composition of matter.
Flammability A material's ability to burn in the presence of oxygen.
Reactivity The property that describes how readily a substance combines chemically with other substances.
Chemical change Occurs when a substance reacts and forms one or more new substances.
Precipitate Any solid that forms and separates from a liquid mixture.
Created by: kayla.brady