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

Science 8 Chapter 3

Chemical Reactions

energy one of the spaces around the nucleus of an atom in which an electron moves
ion an atom that has either a positive or a negative charge
chemical bond the attractive force that hold atoms together
chemical formula tells the kinds of atoms and how many of each kind are in a compound
subscript a number in a formula that tells the number of atoms of an element in a compound
radicals a group of two or more atoms that acts like one atom
chemical reaction a chemical change in which elements are combined or rearranged.
mixture a combination of substances in which no reaction takes place
chemical equation a statement that uses symbols, formulas, and numbers to stand for a chemical reaction
product a substance that is formed in a chemical reaction
law of conservation of matter matter cannot be created or destroyed in chemical and common physical changes
balance to keep the number of atoms the same on both sides of the equation
coefficient a number placed before a formula in a chemical equation
dissolve to break apart
solution a mixture in which one substance is dissolved in another
solute the substance that is dissolved in a solution
solvent a substance capable of dissolving one or more other substances
chemical change a change that produces one or more new substances with new chemical properties
physical change a change in which the appearance (physical properties) of a substance changes but its chemical properties stay the same.
Created by: romperroomqueen



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