Question

who used scientific investigations to study atoms? choose three correct answers.

Explanation:

Democritus proposed the concept of atoms. Thomson discovered the electron and had models related to atomic structure. Rutherford conducted the gold - foil experiment which led to a better understanding of the atomic nucleus. Dalton formulated the modern atomic theory. All of them made significant contributions to the study of atoms through their scientific investigations.

Answer:

Democritus, Thomson, Rutherford, Dalton