History of Chemical Notations from Alchemy to Psycho‐Chemistry

Abstract Writing involves the transformation of ideas, emotions and sounds into graphic form. Ideagrams help clarify complex ideas can be considered to forms stored memory. The emergence chemistry from alchemy involved adaptation notations comprehend invisible atomic molecular structures matter, spread store that knowledge. This culminated in representations chemical reactions compounds such as natural products, sugars, polymers, proteins metal complexes. We review development textual circa‐1700 now. present a Timeline graphically summarizes salient stages evolution (“chemography”) alchemy, leading modern “psycho‐chemistry”. correlates new with crucial technological inventions.