Chemistry and the Philosophy of Chemistry -- The Philosophy of Chemistry -- Chemistry and the History and Philosophy of Science -- Aristole’s Theory of Chemical Reaction and Chemical Substances -- Kant’s Legacy for the Philosophy of Chemistry -- Chemistry and Current Philosophy of Science -- The Conceptual Structure of the Sciences -- Normative and Descriptive Philosophy of Science and the Role of Chemistry -- How Classical Models of Explanation Fail to Cope with Chemistry -- Professional Ethics in Science -- Chemistry and Physics -- Is There Downward Causation in Chemistry? -- Physics in the Crucible of Chemistry -- Chemical Theory and Foundational Questions -- Some Philosophical Implications of Chemical Symmetry -- The Periodics Systems of Molecules -- A New Paradigm for Schrödinger and Kohn -- Chemistry and its Tools of Representation -- Virtual Tools -- Space in Molecular Representation; or How Pictures Represent Objects -- Visualizing Instrumental Techniques of Surface Chemistry -- Chemistry and Ontology -- Are Chemical Kinds Natural Kinds? -- Water is Not H2O -- From Metaphysics to Metachemistry.