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

Chemical equations

chemical formula a representation of a molecule in which the elements are represented by their symbols.
Chemical equation a representation of a chemical reaction by symbols and number.
Chemical change a change when a substance combines with another to form a new substance that can not be reversed.
Physical change a change in which the mixtures can be reversed. It does not change their chemical composition.
Subscript a number that is smaller than the normal line and sets below it. This number tells us the number of atoms a particular element has.
Coefficient The big number that is at the beginning of a chemical formula. ex) 2CHO
Product a chemical substance that is formed as a result of a chemical reaction.
Reactant a substance participating in a chemical reaction, especially one present at the start of the reaction.
yields represented by an arrow --> meaning "produces"
Created by: cibarra2013