Electrons in Atoms 5.1 and 5.2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| electromagnetic radiation | a form of energy that exhibits wavelike behavior as it travels through space.
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| wavelength | the shortest distance between equivalent points on a contiuous wave.
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| frequency | the number of waves that pass a given point per second.
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| amplitude | the wave's height from origin to a crest, or from the origin to a trough.
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| electromagnetic spectrum | oncompasses all forms of electromagnetic radiation, with the only differences in types of radiation being their frequencies and wavelengths.
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| quantum | the minimum amount of energy that can be gained or lost by an atom.
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| 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.
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| photoelectric effect | photoelectrons are emitted from a metals surface when lighht of a certain frequency shines on the surface.
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| photon | a partticle of electromagnetic radiation with no mass that carries a quantum of energy.
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| atomic emission spectrum | the set of frequencies of the electromagnetic weaves emitted by atoms of the element.
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| ground state | lowest allowable energy state of an atom
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| de Broglie equation | pedicts that all moving particles have wave characteristics.
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| 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.
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| 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
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| atomic orbital |
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| principal quantum number |
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| energy sublevel |
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ogkeely33
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