Will give brainliest if you answer all of them

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?

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?