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


Alpah Emision Nucleus emits a particle like a helim nucleus with 2 protons and 2 neutrons andd 4 to mass subtract to from atomic number
Beta Emsion Changes a neutron into a proton and an electron that's emitted add 1 to atmoic number
Positron Emision Nucleus changes a proton into a neutron and emits the positron subtract 1 from atomic number
Electron capture the nucleus captures a low energy electron and combines it with a proton to form a neutron subtract one from the atomic number
gamma rays no mass or charge changes
Created by: awe