0665d6a5_y___Only_Faith_Can_Give_Truth__The_Levels_of_Phenomena_Description
[Levels] Chemistry [Description] 
Reality is reducible to, and is explained by, the composition, interactions, and processes of atoms. Atoms, composed from sub-atomic particles, combine to form various structures including more complex molecules which compose the various forms and states of matter.
Leo Tolstoy, "Only Faith Can Give Truth"
Description