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

Atoms and Tables

atom the smallest particle into which an element can be divided and still be the same element
electron atoms with a negative charge
nucleus a small, dense center that has a positive charge and is surrounded by moving electrons
proton the positively charged particles
neutron uncharged particles
electron cloud electrons move within an area around the nucleus
atomic number the number of protons in the nucleus of an atom
mass number the total number of protons and nucleus in an atoms nucleus
periodic table Mendevleev's arrangement of the elements
chemical symbol an abbreviation for the elements name
average atomic mass the atomic mass of an atom is weighted average of the masses of all the naturally occurring isotopes of that element
metal elements that are shiny and conduct heat and electricity well
nonmetal poor conductors of heat and electricity
metalloid elements that have some properties of nonmetals
group each vertical column of elements on the periodic table
period each horizontal row of elements of the periodic table