| Question |
Answer |
| Electromagnetic Radiation |
A form of energy exhibiting wavelike behavior as it travels through space. |
| Wavelength |
The shortest distance between equivalent points on a continuous wave. |
| Frequency |
The number of waves that pass a given point per second. |
| Amplitude |
The height of a wave from the origin to a crest, or from the origin to a trough. |
| Electromagnetic Spectrum |
Includes all forms of electromagnetic radiation, with the only differences in the types of radiation being their frequencies and wavelengths. |
| Quantum |
The minimum amount of energy that can be gained or lost by an atom. |
| Planck's Constant |
H,which has a value of 6.626X10^-34 J's, where J is the symbol for the joule. |
| Photoelectric effect |
A phenomenon in which photoelectrons are emitted from a metal's surface when light of a certain frequency shines on the surface. |
| Photon |
A particle of elctromagnetic radiation with no mass that carries a quantum of energy. |
| Atomic Emission Spectrum |
A set of frequencies of electromagnetic waves given off by atoms of an element. |
| Ground State |
The lowest allowable evergy state of an atom. |
| De Broglie Quation |
Predicts that all moving particales have wave characteristics and relates each particle's wavelength to its frequency, its mass, and Planck's constant. |
| Heisenberg Uncertainty Principle |
States that it is not possible to know precisely both the velocity and the position of a particle at the same time. |
| Quantum Mechanical Model of the Atom |
An atomic model in which electrons are treated as waves. |
| Atomic Orbital |
A three-dimensional region around the nucleus of an atom that describes an electon's probable location. |
| Principal Quantum Number |
Which the quantum mechanical model assigns to indicate the relative sizes and energies of atomic orbitals. |
| Principal Energy Level |
The major energy levels of an atom. |
| Energy Sublevel |
The levels contained within a principal energy level. |
HHS Shrek
