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Atomic Structure

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