Question

which two chemists organized elements based on properties such as how the elements react or whether they are solid or liquid?
lavoisier and mendeleev
dobereiner and newlands
newlands and mendeleev
lavoisier and dobereiner

Explanation:

Lavoisier made early attempts at classifying elements. Mendeleev is famous for creating the periodic table, organizing elements based on properties like reactivity and physical state.

Answer:

A. Lavoisier and Mendeleev