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

Ch: 3.4 Vocab

Chemistry ch.4 tesh over Vocab

Valence Electrons An electron that is found on the outer most shell
Group Element share chemical properties
Main group elements S-block and P-block
Nuclear Reaction A reaction that affects the nucleus of an atom
Alloy A metal mad by combining 2 or more metallic elements, to give grater strength or resistance to corrosion
Ionization Energy Amount of energy needed to remove all electron from an atom
Electronegative A measure of the ability of an atom in a chemical compound to attract electrons
Electron Shielding Reduced attraction between a positive charge nucleus and negative electron because for greater distance between nucleus and valence electron
Atomic Radius Measured as a bond radius
Fusion Reaction 2 things coming together
Fission Reaction 2 things coming apart
Transmutation One element changes into another by a nucleus reaction. It changes the nucleus of an atom and therefore cannot be achieved by ordinary chemical means
Mole The SI unit for measuring the amount of a substance who's number of particles in the same as the number of atoms in a 12-g sample of carbon -12
Molar Mass (g/mol) the mass in grams of 1mil of a substance
Avogadro Number The number of atoms or molecules in one more of a substance equal to 6.023X10 23
Created by: hackett12