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Electrons in Atoms

Electrons in Atoms 5.1 and 5.2

electromagnetic radiation a form of energy that exhibits wavelike behavior as it travels through space.
wavelength the shortest distance between equivalent points on a contiuous wave.
frequency the number of waves that pass a given point per second.
amplitude the wave's height from origin to a crest, or from the origin to a trough.
electromagnetic spectrum oncompasses all forms of electromagnetic radiation, with the only differences in 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 has a value of 6.626 x 10^-34J * s, where J is the symbol for joules, the SI unit of energy.
photoelectric effect photoelectrons are emitted from a metals surface when lighht of a certain frequency shines on the surface.
photon a partticle of electromagnetic radiation with no mass that carries a quantum of energy.
atomic emission spectrum the set of frequencies of the electromagnetic weaves emitted by atoms of the element.
ground state lowest allowable energy state of an atom
de Broglie equation pedicts that all moving particles have wave characteristics.
Heisenberg uncertainly principle states that if it is fundamentally impossible to know precisely both the velocity and position of a particle at the same time.
quantum mechanical model of the atom an atomic model in which electrons are treated as waves; also called the wave mechanical model of the atom
atomic orbital
principal quantum number
energy sublevel
Created by: ogkeely33