Atomic Structure
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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| discovered the nucleus of an atom | rutherford
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| proposed the planetary model for atomic structure | niel bohr
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| stated the uncertainty principle | neisenberg
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| discovered the electron | JJ Tomson
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| stated that it is impossible to know the position and speed of an electron at the same time | heisenberg
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| bombarded gold foil with helium nuclei | rutherford
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| stated that electrons exist in specific energy levels | neils bohr
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| used a cathode ray tube and discovered that electrons are negatively charged particles | JJ Tompson
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| developed an equation to predict the probable location of an electron | schroedinger
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| discovered the neutron | chadwick
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| calculated that the nucleus was 1/10000 the diameter of the atom | rutherford
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| developed an equations which is used to find the energy of photon of light | pianck
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| a series of bands of colors emitted by excited atom | emission light specturm
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| the lowest energy state of an atom | ground state
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| an energized stat of an atom | excited state
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| an instrument used to measure the wavelength of light | spectrometer
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| an equation for finding the energy of a wave | E=h.V
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| the theory that describes waves at teh atomic levels | quantum theory
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| an amount of energy that can be absorbed or released | quantua
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| packets of lights given off the excited atoms | photon
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| stated the atomic theory | John Dalton
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| compounds have a definite compositions by mass | law of defini
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Created by:
Parkster
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