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

Chemistry Final

There are ___ atoms in a mole of Mg. 6.02 * 10^23
The simplest ratio of atoms among the elements represents the compound's ____ Empirical formula.
Give an example of a molecular formula for C3H6O C6H12O2
When can ionic compounds, such as NaCl, conduct electricity? When the ions are free to move, so when they are dissolved in water or melted.
A compound made of a metal/nonmetal is? Ionic
A compound made of two different nonmetals is? Molecular
What must happen during a chemical change in order to make a new substance? Bonds must break in the reactants in order to form new bonds, and therefore new substances.
What two things do the coefficients in a balanced chemical reaction mean? Number of molecule and number of moles
What evidence supports the existence of a dense, small, positively charged nucleus? Gold foil experiment; positively charged particles were shot at gold foil and only some of them bounced off (debunking Thomson's "sea of negative charge").
What is mass number equal to? Protons + neutrons.
Define electronegativity An atom's ability to attract bonded electrons.
Define ionization energy. The ease in removing electrons.
What information do we get from electron configurations? How many total electrons and what element
Created by: leeannaburns