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keonnie

electronsin atoms

QuestionAnswer
electromagetic radiation a from of energy exhibiting wavelike behavior as it travel thorough space; can be described by wavelength, frequency, amplitude, and speed and includes visbile light, mircowaves, xrays, and radio waves
wavelength is the shortest distance between equivalent points on a continuous wave
frequency is the number of waves given point per second.
amplitude of a wave is the waves height from orgin to a crest, or from orgin to a trough
electromagnetic spectrum also called the EM spectrum encompasses all forms of electromagnetic radation, with the onl differences in the types of radaton being their fequencies and wavlengths
quantum is the minimum amount of energy that can gained or lost by an atom.
Planck's constant has a vaule of 6.626 x 10 -34.s, wher j is the symbol for the joule, the unit if energy.
photoelectric effect electrons, called photoelectrons, are emitted from a metal surface when light of a certain frequency shines on the surface.
photon is a particle of electromagnetic radation with no mass the carries a quantumof energy
atomic emmission specturm of an element is hte set of fequencies of electromagnetic waves emitted by atoms of the elment.
ground state the lowest allowable energy state of an atom
de Broglie equation predicts that all moving particles have wave characteristics.
heisenberg uncertainly principle states that it is fundamentally impossible to know precisely both velocity and postion of a particle at the same time.
quantum mechanical model of the atom the atomic model in which electrons are treated as waves is calles
Created by: keonnie
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