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chemistry ch.5


a form of energy that exhibits wavelike behaveior as it travels through space electromagnetic radiation
the shortest distance between equivalent points on a continuous wave wavelenght
the wave's height from the origin to a crest, or from the origin to a trough amplitude
also called the EM spectrum, encompasses all forms of electromagnetic radiation, with the only differences in the types of radiation being their frequencies and wavelengths electromagnetic spectrum
the minimum amount of energy that can be gained or lost by an atom quantum
has a value of 6.626 X 10-34J.s, where J is the symbol for the joule, the SI unit of energy plank's constant
a phenomenon in which photoelectrons are emitted from a metal's surface when light of a certain frequency shines on the surface photoelectric effect
a particle of elecromagnetic radiation with no mass that carries a quantum of energy photon
the set of freuencies of the electromagnetic waves emitted by atoms of the element atomic emission spectrum
the lowest allowable energy state of an atom ground state
predicts that all moving particles have wave characteristics and relates each particle's wavelength to its frequency, its mass, and Plank's constant de Broglie equation
states that it is fundamentally impossible to know precisely both the velocity and position of a particle at the same time heisenberg uncertainty priciple
an atomic model in which electrons are treated as waves quantum mechanical model of the atom
a three dimensional region around the nucleus atomic orbital
which the quantum mechanical model assigns to indicate the relative sizes and energies of atomic orbitals principal quantum numbers
the atom's major energy level principal energy levels
the energy levels contained within a pricipal energy level energy sublevels
Created by: jessicao