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chapter fizzle

vocab for ch. 5

QuestionAnswer
electromagnetic radiation form of energy that exhibits wavelike behavior as it travels through space.
wavelength shortest distance between equivalent points on a continuous wave.
frequency the number of waves that pass a given point per second.
amplitude the wave's height from the origin to a crest, or from the origin to a trough.
electromagnetic spectrum encompasses all forms of electromagnetic radiation.
quantum the minimum amount of energy that can be gained or lost by an atom.
plank's constant value of 6.626X10(-34)J.s
photoelectric effect electrons, called photoelectrons, are emitted from a metal's surface when light of a certain frequency shines on the surface.
photon a particle of electromagnetic radiation with no mass that carries a quantum of energy.
atomic emission spectrum the set of frequencies of the electromagnetic waves emitted by atoms of the element.
electromagnetic radiation form of energy that exhibits wavelike behavior as it travels through space.
wavelength shortest distance between equivalent points on a continuous wave.
frequency the number of waves that pass a given point per second.
amplitude the wave's height from the origin to a crest, or from the origin to a trough.
electromagnetic spectrum encompasses all forms of electromagnetic radiation.
quantum the minimum amount of energy that can be gained or lost by an atom.
plank's constant value of 6.626X10(-34)J.s
photoelectric effect electrons, called photoelectrons, are emitted from a metal's surface when light of a certain frequency shines on the surface.
photon a particle of electromagnetic radiation with no mass that carries a quantum of energy.
atomic emission spectrum the set of frequencies of the electromagnetic waves emitted by atoms of the element.
ground state the lowest allowable energy state of an atom.
de Broglie equation predicts that all moving particles have wave characteristics.
Heisenberg uncertainty principle ststes that 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 the atomic model in which electrons are treated as waves.
atomic orbital describes then electron's probable location.
principal quantum numbers indicate the relative sizes and energies of atomic orbitals.
principal energy levels the atom's major energy levels.
energy sublevels are in principal energy levels.
Created by: mwh738