Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Chem/ Phys Changes

Chemistry and physical changes.

QuestionAnswer
Physical Changes A change that occurs without changing the identity of the substance.
Chemical Changes A change that occurs by changing the identity of the substance.
Mixture When 2 or more substances combine physically.
Compound When 2 or more substances are combined chemically and can't be separated by physical means.
Homogeneous mixture Parts are mixed evenly throughout.(same)
Heterogeneous mixture Parts are uneven throughout.(different)
Solution Type of mixture where the solute is dissolved/mixed evenly in the solvent.
Solute The part of the solution that dissolves.
Solvent The part of the solution that the solute dissolves in.
Atom Smallest unit of matter.
Element One of the 100 or more units that make up all matter, and found on the Periodic Table.
Mass How much matter is in something.
Reactant The elements and compounds you start with in a reaction/equation.
Product The elements and compounds that you end with in a reaction/equation.
Reactivity The ability to react with another element or compound.
Coefficient The number in front of the molecule.
Subscript The number to the bottom right of an element that tells how many atoms there are of that element.
Alkali Metals Group 1 a highly reactive group of metals that makes compounds with Group 7 (17).
Halogens Group 7 (17) a highly reactive group of non-metals that makes compounds with Group 1.
Noble Gases Group 8 (18) a group of non-reactive, non-metals that are all gases at room temperature.
Created by: bronydude
Popular Science sets

 

 



Voices

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:
Retries:
restart all cards