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Electron vocab

electron configuration vocab

QuestionAnswer
Electromagnetic Radiation Form of energy that exhibits wavelike behavior as it travels through space
Electromagnetic Spectrum All of the frequencies or wavelenghts of electromagnetic radiation
Wavelength The distance from any point on a wave to an identical point on the next wave
Frequency The number of cycles or vibrations per unit of time; also the number of waves produced in a given amount of time
Photoelectric effect The emission of electrons from a material when light of certain frequencies shines on the surface of the material
Quantum The basic unit of electromagnetic energy =; it characterizes the wave properties of electrons
Photon A unit or quantum of light; a particle of electromagnetic radiation that has zero rest mass and carries a quantum of energy
Ground state The lowest energy state of a quantized system
Excited State A state in which an atom has more energy that it does at its ground state
Line emission spectrum A diagram or graph that indicates the degree to which a substance emits radiant energy with respect to wavelength
Continous Spectrum The uninterrupted bond band of al colors ( wavelenths) emmited by incandescent solids
Heisenberg Uncertaintainty principle The principle that states that determining both the position and velocity of an electron or any other particle simultaneously is impossible
Quantum Theory The study of the structure and behavior of the atom and of subatomic particles from the view that all energy comes in tiny, indivisible bundles
Orbital A region in an atom where there is a high probabibility of finding electron
Quantum Number A number that specifies certain properties of electons
Prinicipal Quantum number The quantum that indicates the energy and orbital
Angular momentum quantum number The quantum number that indicates the shape of an orbital
Magnetic Quantum number The quantum number that corresponds to the alighnment of the angular momentum component with a magnetic field
Spin Quantum number The quantum number that describes the intrinsic angular momentum of a particle
Electron Configuration The arrangement of electrons in an atom
Aufbau principle The principle that states that the structure of each sucessful element is obtained by adding one proton to the nucleus of the atom and one electron to the lowest energy orbital that is orbital
Pauli Exclusion principle The principle that states that two particles of a certain class cannot be in exactly the same energy state
Hunds rule The rule that states that states for an atom in the ground state, the number of unpaired eectron is the maximum possible and these unpaired electrons have the same spin
Noble gas One of the elements of group 18 of the peridical table (helium,neon,argon,krypton,xenon, and radon);noble gas are unreactive
Noble gas onfiguration An outer main energy level fully occupies, in most cases, by eight electron
Created by: aneresw10