Scientific chemistry

Definition of chemical elements. 2000 years after Aristotle's 4 elements, published "The Skeptical Chymist", changing the name alchemist => chemist. Suggested defining elements as components that can't be converted into anything simpler.
 Robert Boyle England 1661 Scientific chemistry

Definition of chemical elements. 2000 years after Aristotle's 4 elements, published "The Skeptical Chymist", changing the name alchemist => chemist. Suggested defining elements as components that can't be converted into anything simpler.