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

Answer: Antoine Lavoisier.

He classified the elements into four groups: elastic fluids, nonmetals, metals and earths. Some of the called elementes were not really elements (light and heat). Others were compounds, e. g. hydrochloric acid.