The air we breathe right now is composed of dioxygen and dinitrogen molecules

The air we breathe right now is composed of dioxygen and dinitrogen molecules.........

The carbon dioxide that we exhale is composed of discrete molecules of ##CO_2##. The sugar that you put on your cornflakes is composed of molecules of ##C_6H_12O_6##.

The water that you drink is composed of molecules of ##OH_2##. If we drink wine or spirits, some of the liquid content is composed of molecules of ##"ethyl alcohol, "H_3C-CH_2OH##.

The petrol that you put in your car consists of molecules of ##C_6H_14## to a first approximation...

Can you think of some other examples?