The Chemical Thesaurus reaction chemistry database, with its external links to Wikipedia& NIST, is a free, open access resource.
http://www.chemthes.com/
The Chemogenesis Web Book uses new analysis to tell the story of chemical structure & reactivity emerging from and the Periodic Table of the elements and bifurcating into the rich, complex and extraordinary science that we know and experience
http://www.meta-synthesis.com/webbook.html
[FONT=Verdana, Arial, Helvetica, sans-serif]Introduction[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Nucleophiles & Bases[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Nucleosynthesis & The Segré Chart[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Lewis & Brønsted Acids & Bases[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Quantum Numbers to Periodic Tables[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Pearson's HSAB Principle[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Periodic Table: What is it Showing? [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Redox Reaction Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Periodic Table: Formulations[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Redox Chemistry Synthlet[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Periodic Table: Data Mapping[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Radical Reaction Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Electronegativity[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Diradical Reaction Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Binary Materials: van Ark.-Ket. Triangles[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Photochemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Binary Materials: The Laing Tetrahedron[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Species/Species Interactions[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Binary Material Synthlet[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Simplest Mechanistic Step: STAD[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Classification of Matter[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Unit & Compound Mechanistic Steps[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Why Chemical Reactions Occur[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Mechanism Matrix[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Chemistry & Complexity[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Chemogenesis [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Linear Chemistry Systems [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Main Group Elements & Hydrides[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Complex Chemistry Systems[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Five Hydrogen Probe Experiments[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Timeline of Structural Theory[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Congeneric Arrays [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Valence Shell Electron Pair Repulsion[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Quantifying Congeneric Behaviour[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]MO Theory: Diatomic Molecules & Ions[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Ligand Replacement Congeneric Arrays[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Polyatomics: Hybrid & Molecular Orbitals [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Exploring Congeneric Array Interactions[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]p-Systems & Functional Groups [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Congeneric Array Database[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Pericyclic Reaction Chemistry [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Emergence of Organic Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Afterword [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Five Reaction Chemistries[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Chemogenesis: The Paper [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Lewis Acid/Base Reaction Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Literature Refs & Further Reading[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Lewis Acid/Base Interaction Matrix[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Chemical Thesaurus [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Poster & Clickable Matrix[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Chemistry Tutorials & Drills[/FONT]
http://www.chemthes.com/
The Chemogenesis Web Book uses new analysis to tell the story of chemical structure & reactivity emerging from and the Periodic Table of the elements and bifurcating into the rich, complex and extraordinary science that we know and experience
http://www.meta-synthesis.com/webbook.html
[FONT=Verdana, Arial, Helvetica, sans-serif]Introduction[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Nucleophiles & Bases[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Nucleosynthesis & The Segré Chart[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Lewis & Brønsted Acids & Bases[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Quantum Numbers to Periodic Tables[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Pearson's HSAB Principle[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Periodic Table: What is it Showing? [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Redox Reaction Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Periodic Table: Formulations[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Redox Chemistry Synthlet[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Periodic Table: Data Mapping[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Radical Reaction Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Electronegativity[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Diradical Reaction Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Binary Materials: van Ark.-Ket. Triangles[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Photochemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Binary Materials: The Laing Tetrahedron[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Species/Species Interactions[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Binary Material Synthlet[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Simplest Mechanistic Step: STAD[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Classification of Matter[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Unit & Compound Mechanistic Steps[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Why Chemical Reactions Occur[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Mechanism Matrix[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Chemistry & Complexity[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Chemogenesis [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Linear Chemistry Systems [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Main Group Elements & Hydrides[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Complex Chemistry Systems[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Five Hydrogen Probe Experiments[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Timeline of Structural Theory[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Congeneric Arrays [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Valence Shell Electron Pair Repulsion[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Quantifying Congeneric Behaviour[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]MO Theory: Diatomic Molecules & Ions[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Ligand Replacement Congeneric Arrays[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Polyatomics: Hybrid & Molecular Orbitals [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Exploring Congeneric Array Interactions[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]p-Systems & Functional Groups [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Congeneric Array Database[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Pericyclic Reaction Chemistry [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Emergence of Organic Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Afterword [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Five Reaction Chemistries[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Chemogenesis: The Paper [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]• Lewis Acid/Base Reaction Chemistry[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Literature Refs & Further Reading[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Lewis Acid/Base Interaction Matrix[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]The Chemical Thesaurus [/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Poster & Clickable Matrix[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Chemistry Tutorials & Drills[/FONT]