ANSWER THIS QUESTION

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In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

What are the first three quantum numbers for the electrons located in subshell 2s?

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %