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

EMEQ Vocab

law of conservation of mass states that matter cannot be created or destroyed
physical change any change in shape, size, or form
chemical change one or more original substances turned into another substance
element substance that cannot be broken down into simpler substances
chemical formula a way of expressing information about the atoms that constitute a particular chemical compound
element molecule a single molecule formed by one atom
diatomic molecule a molecule formed by two atoms
compound molecule molecules that contain at least two different elements
chemical equation shorthand form for writing what reactants are used and what products are formed in a chemical reaction
chemical reaction process that produces chemical change, resulting in new substances that have properties different from those of the original one
reactants (in a chemical equation) substance that exists before a chemical reaction begins
products (in a chemical equation) substance that forms as a result of a chemical reaction
coefficient (in a chemical equation) states the amount of molecules from an equation
subscript (in a chemical equation) states how many of each element there is; only applies to the element to the left of the number
Created by: justineavery