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

The atom

Atom the smallest particle that still can be considered an element
Electrons negatively charged particles
Nucleus the center of an atom
Proton positively charged particles
Energy level The specific amount of energy an electron has
Neutron a particle with no charge
Atomic number the number of protons in the nucleus of an atom
Isotopes atoms with the same amount of protons and different amounts of neutrons
Mass number the sum of protons and neutrons in the atom
Atomic mass the average mass of all the isotopes in that element
Periodic table an arrangement of elements showing the repeating pattern of their properties
Chemical symbol the letter under an atomic number
Periods the rows in a periodic table
Group the elements in a collumn
Created by: 15bondc