1. Editorial 69

   • Eric Scerri

   Editorial 10 October 2021 Pages: 297 - 298

2. An integrated vision of the Green Chemistry evolution along 25 years

   • Carlos Alberto Marques
   • Adelio A. S. C. Machado

   ReviewPaper 18 June 2021 Pages: 299 - 328

   

3. What is an organic substance?

   • Lee J. Silverberg

   OriginalPaper 12 April 2021 Pages: 329 - 336

   

4. Conceptual polymorphism of entropy into the history: extensions of the second law of thermodynamics towards statistical physics and chemistry during nineteenth–twentieth centuries

   • Raffaele Pisano
   • Emilio Marco Pellegrino
   • Maxime Nagels

   OriginalPaper 09 June 2021 Pages: 337 - 378

   

5. Is the problem of molecular structure just the quantum measurement problem?

   • Sebastian Fortin
   • Olimpia Lombardi

   OriginalPaper 13 May 2021 Pages: 379 - 395

6. A simple treatment of chemical equilibrium

   • Peter G. Nelson

   OriginalPaper Open access 10 June 2021 Pages: 397 - 405

   

7. Quantum mechanical atom models, legitimate explanations and mechanisms

   • Erik Weber
   • Merel Lefevere
   • Kristian Gonzalez Barman

   OriginalPaper 13 July 2021 Pages: 407 - 429

8. A brief comment on ‘Mendeleyev Revisited’ by Marks & Marks (foundations of chemistry https://doi.org/10.1007/s10698-021–09,398-4)

   • Vladimir M. Petruševski

   Letter 03 September 2021 Pages: 431 - 432

9. Making sense of a pedagogic text

   • Keith S. Taber

   Book Review 07 June 2021 Pages: 433 - 457

10. Improving chemistry teacher education with the philosophy of chemistry

    • Agustín Adúriz-Bravo

    Book Review 27 July 2021 Pages: 459 - 463

11. Eric Scerri and Elena Ghibaudi, eds: What is an element? A collection of essays by chemists, philosophers, historians, and educators

    • Peter J. Ramberg

    Book Review 30 May 2021 Pages: 465 - 473