human
What are the key developments in the history of chemical reactions?
gpt
Ancient reactions involve Empedocles' four elements, alchemy, the concept of phlogiston, Antoine Lavoisier's discovery of oxygen, and Louis Prout's work.
Explanation: The history of chemical reactions spans thousands of years, with early civilizations contributing to the understanding of chemical transformations. Key milestones include ancient Greek philosopher Empedocles' theory of four elements, the development of alchemy, the concept of phlogiston, and the discovery of oxygen by Antoine Lavoisier and subsequent work by Louis Prout.