A 4.08 g sample of a compound composed of nitrogen and oxygen contains 3.02 g of oxygen. What is the empirical formula

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

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?

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols