14. Show a numerical setup for calculating the percent composition by mass of chlorine in PC3(l) (gram-formula mass - 137 g/mol). Show all of your work, round your answer to the nearest 10th

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?

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?