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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
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

Science Ch 7,8,9 TTK


atom classify small particle that is a building block of matter
compound type of substance containing atoms of two or more different elements chemically bonded together
density mass per unit volume of a substance
solubility ability of one substance to dissolve in another
solid matter that has a definite shape and volume
liquid matter with a definite volume but not definite shape
kinetic molecular theory explanation of how particles in matter behave
gas matter that has no definite shape or volume
atom smallest piece of an element that still presents that element
nucleus small area in center of atom where most of an atom's mass and positive charge is concentrated
atomic number number of protons in an atom of an element
isotope atoms of the same element that have different numbers of neutrons
ion an atom that is no longer neutral because it has gained or lost electrons
Created by: 2018grellerj