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


Model a representaion
Atom the most basic level of life
Neucleus a positively charged mass that is made up of protons and neutrons
Proton positively charged
Neutron neutral charged
Electron negative charged
Atomic number number of protons in the nucleus
Atomic symbol the symbol of an element
subatomic particles particles smaller than atoms
Lewis structure a representation of an atom using dots
Bohr model its not full correct and its a representaiton of an atom
Electron shell locations of orbiting electrons that will only hold a certain amount of electrons
Valence electron an electron found in the farthest shell
Molecule the smallest unit of a substance
Matter anything that takes up space and has mass
Created by: Amiyah