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The Chemogenesis Web Book
By Mark R. Leach, The Chemogenesis WebBook shows how chemical structure and reactivity naturally emerge from the Periodic Table of the Elements:
 • Introduction
 • Nucleosynthesis  • Radical Reaction Chemistry
 • The Segré Chart of Isotopes  • Diradical Reaction Chemistry
 • The Periodic Table: What is it Showing?
 • The Mechanism Matrix
 • Addition To a Double Bond Synthlet
 • van Arkel-Ketelaar Triangles of Bonding
 • Thermochemistry Synthlet
 • Overview of A New Analysis  • Valence Shell Electron Pair Repulsion
 • Main Group Elements & Hydrides  • MO Theory: Diatomic Molecules & Ions
 • Linear & Aromatic Organic π-Systems
 • Exploring Congeneric Array Interactions  • Systems Thinking
 • Congeneric Array Database
  6  Extras
 • Lewis and Brønsted Models of Acidity  • Videos in The Chemogenesis Webbook
 • Pearson's HSAB Principle  • The Chemical Thesaurus Reaction Database
 • Chemogenesis: The Paper
 • Afterword
 • Nucleophiles, Bases & The Fluoride Ion  

Unlike chemistry textbooks printed on paper, this webbook contains dynamic Synthlet and Database pages that explore and make predictions about aspects of chemical structure & reactivity and have embedded reaction chemistry YouTube Videos.

Thanks go to the authors of web sites linked to from these pages, to members of the International Society for the Philosophy of Chemistry (ISPC) and to the members of the ChemEd internet discussion list who have answered my many questions and synthesized such interesting postings.

This web book is being continually updated. Please send comments, link suggestions, factual errors, browser problems, bug & broken link reports, etc., to the author:

Dr Mark R. Leach mark@meta-synthesis.com