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.
Don't know
remaining cards
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:
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

Chemistry U1 Test

Review Guide for Unit 1.

What is Chemistry? The study of the composition, structure, & properites of matter.
What is a chemical? Any substance with a definite composition.
What is the Extensive Property? Property that depends on the amount of matter. (i.e. volume, mass, energy)
What is the Intensive Property? Property that does NOT depend on the amount of matter. (i.e. density, melting point, boiling point)
What are the two properties of matter? 1. has mass 2. takes up space
What is a Chemical Change? When one substance completely changes to a new substance.
What is a Chemical Property? A substances ABILITY to undergo changes to transform to a new substance.
What is a Physical Property? Anything you can OBSERVE without changing a substance.(5 senses)
What is a Physical Change? Substance that doesn't form a new substance with change.
What is a Pure Substance? Substance that can't be seperated by physical means. It is even throughout, has a fixed composition. (element or compound)
What is a Mixture? Blend of two or more types of matter that keep their own identity.
What are the two forms of a mixture? 1.) Homogenous- uniform/even throughout 2.) Heterogenous- different throughout
What is a period? Periods are horizontal on the periodic table.
What is a group? Also known as a family, they are vertical on the periodic table.
What are the characteristics of a metal, nonmetal, & metalloid? Metal- Malleable, Ductile, Solids, and shiny. Nonmetal- Not malleable, Not ductile, brittle. Metalloid- semi-conductors, not as malleable or ductile.
What are the SI Units for length, volume, time, & mass? Length- meters/km, cm, mm Volume- L, m^3, cm^3 Time- second Mass- g, kg
What is density? Density= mass/volume
Precision is scientific measurement? How close your numbers are to each other.
Accuracy in scientific measurement? How close you are too ACCEPTED value.
Created by: allisonnicole21