The concept of the indivisibility of the atom was primarily associated with John Dalton. He proposed the atomic theory in the early 19th century, suggesting that atoms are the indivisible building blocks of matter. However, this idea was later challenged and ultimately disproved by the discovery of subatomic particles (such as electrons, protons, and neutrons) in the late 19th and early 20th centuries.
Therefore, while John Dalton was the one who initially presented the idea of indivisible atoms, subsequent scientific advancements helped to disprove that notion.
In the given options, none of the others (Antoine Lavoisier, Joseph Proust, or Marie Curie) are directly credited with disproving the indivisibility of the atom. However, if you are looking for who contributed to the atomic theory in a way that led to further understanding of atomic structure, it would be John Dalton, although he himself did not disprove the indivisibility concept.
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