Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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

rieflerchemistryCh3

TermDefinition
law of conservation of mass states that mass is neither created nor destroyed during chemical reactions or physical changes
law of definite proportions the fact that a chemical compound contains the same elements in exactly the same proportions by the mass regardless of the size of the sample or source of the compound
law of multiple proportions if two or more different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of the small whole numbers
atom the smallest particles of an element that retains the chemical properties of that element
atomic number the number of protons
isotopes atoms of the same element that have the different mass
mass number total number of protons and neutrons
nuclide a general term for specific isotope of an element
average atomic mass the weighted average of the atomic masses of the naturally occurring isotopes of an element
mole amount of a substance that contains as many particles as there are atoms
avogardro's number 6.02 * 10^23
molar mass mass of one mole of a pure substance
Created by: carleyR
 

 



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