An electron drops from the l shell to the k shell and
An electron drops from the L shell to the K shell and givesoff an X-ray with a wavelength of 0.0200 nm. What is the atomic number of this atom?
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1a tared filter weighs 102788 grams after filtering 100 ml of a water sample the filter is dried at 103c and reweighed
an electron drops from the l shell to the k shell and givesoff an x-ray with a wavelength of 00200 nm what is the
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the distance to a point source is increased by a factor of3a by what factor does the intensity decreaseb by what amount
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