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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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

Chapter 00016

Atomic Energy

What is Radioactivity? It is the process by which an unstable nucleus gives off nuclear radiation.
What is Mass Number? It is the sum of the numbers of protons and nuetrons in the nucleus of an atom.
What is Isotope? It is an atom that has the same number of protons, as other atoms of the same element do but that has a different number of nuetrons.
What is Half-life? It is the time needed for half of a sample of a radioactive substance to undergo radioactive decay.
What is Alpha Decay? This is an alpha particle.
What is Alpha Particle? It is made up of two protons and two nuetrons.
What is Beta Decay? This is a beta particle.
What is Beta Particle? This can be an electron or positron.
What is Gamma Decay? This is the release of gamma rays from a nucleus.
What is Gamma Ray? This is the form of light that has very high energy.
Created by: vsumrell