Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
share
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

LSH PScience 19B

Periodic Table

TermDefinition
Atomic Number The number of protons in the nucleus of an atom
Mass Number The number of protons and neutrons in the nucleus of an atom
Isotope A version of an atom with a different mass
Average Atomic Mass The average mass of all the isotopes that exist of a given element
Periodic Table An arrangement of all the elements by atomic number and patterns of chemical properties
Group A vertical arrangement on the periodic table of elements with similar chemical properties
Electron Dot Diagram A way of representing the valence electron configuration of an element
Period A horizontal arrangement of elements on the periodic table
Valence Electrons The highest energy electrons responsible for reactivity (outer "shell" electrons)
Atomic Shell Model A way of representing atomic structure with electrons in "shells" surrounding nucleus according to energy level