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



Subscript small number written to the right of an element; tells you how many atoms of that element you have. Chemical reaction
Law of conservation of matter says that matter cannot be created or destroyed.
Reactants substances used up in a chemical reaction.
Products new substances made in a chemical reaction.
Coefficient large number placed before a molecule in a chemical reaction; this number “multiplies each element in that formula”
Chemical formula identifies each element by its chemical symbol and indicates the number of atoms of each element found in each discrete molecule of that compound.
Subscript small number written to the right and below the chemical symbol if a molecule contains more than one atom of a particular element.
Combustion burning; a complex sequence of exothermic chemical reactions between a fuel and an oxidant accompanied by the production of heat or both heat and light.
Balanced equation the law of conservation of matter demands that we have the same numbers of each element’s atoms on both sides of the equation.
Created by: Ruth.Miller