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.

Remove Ads
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


What is an atom? The smallest particles of an element that maintains the properties of that element.
What is an atomic number? The number of protons an atom has.
What is a nucleus? The nucleus is the central part of an atom.
What is a molecule? A molecule is two or more atoms that combine together and become one unit.
What is a compound? A compound is when two or more elements combine.
How many elements are there? There are 117 elements.
Can elements be made? Elements 113,114,115,116,and 118 are man made.
Can elements react to anything? Yes number 43,61,84-112 are reactive.
Created by: mastrnacho9