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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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 Vocab

Chemistry vocab

What is the Law of Conservation of Mass? Law of Conservation of Mass is a relation stating that in a chemical reaction, the mass of the products equals the mass of the reactants.
Describe a physical change. Cutting a apple. Cutting a apple is a physical change because the apple is still a apple no matter how small you cut it.
What is a example of a chemical change? A piece of iron rusting. It is a chemical change because there is a chemical reaction changing the iron into another substance.
Define element. Elements are chemically the simplest substances and hence cannot be broken down further using chemical methods. Elements can only be changed into other elements using nuclear methods.
What is a chemical formula? A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound. Al2(SO4)3 is a example of a chemical formula, aluminum sulfate
What is a Diatomic molecule? Diatomic molecules are molecules composed only of two atoms, of either the same or different chemical elements.
What is a subscript? Subscripts in chemistry are used in writing formulas. In H2O, the 2 is the subscript. The subscript indicates the number of the preceding element. In H2O there are 2 hydrogen and 1 oxygen elements.
Define reactant. A substance participating in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction.
Created by: 100004097947260



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards