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

Periodic Table

QuestionAnswer
Element a substance that cannot be split into simpler substances by chemical means
Triad a group of three elements with similar chemical properties in which the atomic weight of the middle element is approximately equal to the average of the other two
Newlands' Octaves groups of elements arranged in order of increasing atomic weight, in which the 1st and 8th element of each group have similar properties
Mendeleec's Periodic Law when elements are arranged in order of increasing atomic weight, the properties of the elements vary periodically
Modern Periodic Table an arrangement of elements in order of increasing atomic number
Isotopes atoms of the same element that have the same atomic number but different mass numbers
Aufbau Principle when building the electronic configuration of an atom in its ground state, the electrons occupy the lowest available energy level
Hund's Rule of Maximum Multiplicity when two or more orbitals of equal energy are available, the electrons occupy them singly before filling them in pairs
Pauli Exclusion Principle no more than two electrons may occupy an orbital and they must have opposit spin
Created by: OscarE
Popular Chemistry 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