Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Energy Levels |
The number of fixed energies an electron can have |
|
|
|
Quantum |
The amount of energy required to move an electron from one energy level to another |
|
|
|
Quantum Mechanical Model |
The electrons in atoms modern description |
|
|
|
Atomic Orbital |
Thought of as a region of space in which there is a high probability of finding an electron |
|
|
|
Electron Conficurations |
Electrons arrangement in orbitals around the nuclei of atoms |
⬆⬇ ⬇⬆ ⬇⬆ ⬇⬆ ⬇⬆ s p |
|
|
Aufbau Principle |
Electrons occupy orbitals of the lowest energy first |
|
|
|
Pauli Exclusion Principle |
An atomic orbital may describe at most two electrons |
|
|
|
Hund's Rule |
Electrons occupy orbitals of the same energy in a way that makes the number of electrons with the same spin direction as large as possible |
|
|
|
Amplitude |
A wave's height from zero to the crest |
|
|
|
Wave Length |
Distance between the crests |
Weird upside down "y" sign |
|
|
Frequency |
The number of wave cycles to pass a given point per unit of time |
"v" looking sign |
|
|
Hertz |
The cycles per second in SI units |
|
|
|
Electromagnetic Radiation |
Radio waves, microwaves, infrared waves, visible light, ultraviolet waves, X-rays, and gamma rays |
|
|
|
Spectrum |
Different frequecies selerate into different colors when sunlight passes through a prism |
|
|
|
Atomic Emission Spectrum |
Frequencies of light emitted by an element sperated into discrete lines |
|
|
|
Ground State |
The lowest possible energy of the electron |
|
|
|
Photons |
Light quanta |
|
|
|
Heisenberg Uncertainty Principle |
It is impossible to know exactly both the velocity and the position of a particle at the same time |
|
