Chemists do it reactively. Chemists do it in test tubes. Chemists do it in equilibrium. Chemists do it in the fume hood. Chemists do it periodically on table.
Chemists do it organically and inorganically.
Electrochemists do it with greater potential. It was polar H2O is water and H2O2 is hydrogen peroxide. A small piece of sodium which lived in a test tube fell in love with the Bunsen burner. Oh Bunsen, my flame. I melt whenever I see you . . .