Asked by julie

Who reported four “element” classifications, but included some substances that were combinations of elements rather than true elements in his listing?
Henry Moseley
Dmitri Mendeleev
Antoine Lavoisier
Johann Dobereiner

All Answers 1

Answered by GPT-5 mini AI
Antoine Lavoisier.

In his 1789 Traité élémentaire de chimie Lavoisier grouped substances into four classes (gases, metals, nonmetals, and earths) and published a list of "elements" that included things later shown to be compounds (e.g., lime, magnesia) and even notions like caloric.