The Many Questions Raised By The Dual Concept Of Element / Eric R. Scerri -- From Simple Substance To Chemical Element / Bernadette Bensaude-vincent -- Dmitri Mendeleev's Concept Of The Chemical Element Prior To The Periodic Law / Nathan M. Brooks -- Referring To Chemical Elements And Compounds: Colorless Airs In Late-eighteenth-century Chemical Practice / Geoffrey Blumenthal, James Ladyman, And Vanessa Seifert -- The Changing Relation Between Atomicity And Elementarity: From Lavoisier To Dalton / Marina P. Banchetti-robino -- Origins Of The Ambiguity Of The Current Definition Of Chemical Element / Joseph E. Earley -- The Existence Of Elements, And The Elements Of Existence / Robin Findlay Hendry -- Kant, Cassirer, And The Idea Of Chemical Element / Farzad Mahootian -- The Operational Definition Of The Elements: A Philosophical Reappraisal / Joachim Schummer -- Substance And Function: The Case Of Chemical Elements / Jean-pierre Llored -- Making Elements / Klaus Ruthenberg -- A Formal Approach To The Conceptual Development Of Chemical Element / Guillermo Restrepo -- Chemical Elements And Chemical Substances: Rethinking Paneth's Distinction / Sarah N. Hijmans -- The Dual Conception Of The Chemical Element: Epistemic Aspects And Implications For Chemical Education / Elena Ghibaudi, Alberto Regis, And Ezio Roletto. Edited By Eric Scerri And Elena Ghibaudi. Contains Bibliographical References And Index. Electronic Reproduction. Oxford Available Via World Wide Web.