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 Ch3 L1

atom smallest particle of an element
electron negatively charged particle surrounding the nucleus of an atom
nucleus small region in the center of an atom
proton positively charged particles in an atom's nucleus
energy level a specific amount of energy of an electron
neutron a particle in the atom with no electric charge
atomic number number of protons in the nucleus of an atom
isotope atoms with the same number of protons and different numbers of neutrons
mass number the sum of the protons and neutrons in the atom
atomic mass average mass of all the isotopes of that element
periodic table arrangement of elements showing the repeating pattern of their properties
chemical symbol one or two letters that is often an abbreviation of the elements name in English
period periodic table of elements arranged in rows
group periodic table of elements arranged in a column
Created by: angolajones