How is biotechnology useful for society? (Pls, I want an accurate answer. No copied answer.)

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

In saturated organic compounds, all the bonds between carbon atoms are called?

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?