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


Cation Positively charged ION
Anion Negatively charged ION
Energy Levels The possible energies electrons can have
Quantum Discrete packet of energy or matter
Quantum Mechanical Model Based on probability
Atomic Orbital Mathematical function that describes the wave-like behavior of electrons
Electron Configuration Distribution of electrons
Aufbau Principle Electrons fill lowest orbitals first
Pauli Exclusion Principle Each orbital can hold 2 electrons with opposite spins
Hund's Rule Within a sub-level, place one electron before per orbital before pairing
Wavelength On a periodic curve, the length between to consecutive troughs
Frequency Numbers of peaks that pass a stationary point
Hertz The SI derived unit used to measure the frequency of vibrations
Electromagnetic Radiation Radiation originating in a varying magnetic field
Atomic Emission Spectrum Each element has a unique bright line emission spectrum
Ground State Lowest or most stable state of an atom
Photons Quantum of Electromagnetic radiation that describes the particle properties of an electromagnetic wave
Heisenberg Uncertainty Principle Impossible to know the velocity and position of an electron at the same time
Periodic Law Properties of the elements are periodic functions of their atomic number
Atomic Radius Measure of the size of its atoms
Ionization Energy Energy required to remove one electron from a neutral atom
Electronegativity Measure of the tendency of an atom to attract electrons
Created by: Dante T.



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