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

Lulu's Vocab.

Law Of Conservation Of Mass. Nothing can be created or Destroyed, just changed. Product always reactant.
Physical Change. A usually reversible change in the physical
Chemical Formula. A representation of a substance using symbols for its constituent elements.
Chemical Change. A usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance.
Element (Diatomic) Molecule. Molecules composed only of two atoms, of either the same or different chemical elements.
Compound Molecule. The molecule is the smallest unit of a compound.
Chemical Equation. A symbolic representation of what happens when chemicals come in contact with one another. A balanced chemical equation shows how many of what molecules react, how many of what molecules result, and sometimes the state of the substances.
Element. A pure substance composed of only one type of atom.
Chemical Reaction. Interactions in which atoms exchange or share electrons, forming new chemicals.
Reactants. A molecule which enters into a chemical reaction.
Products. A molecule which is formed as a result of a chemical reaction.
Coefficient. A coefficient is a number placed in front of a term in a chemical equation to indicate how many molecules (or atoms) take part in the reaction.
Subscript. It is the number of atoms in the preceding element.
Created by: a0409868