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Leukippus, Democritus, Dalton, Bohr, Rutherford, Thomson and many others.

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Who is the scientist who made important contributions to atomic theory?

One scientist who made important contributions to atomic theory is John Dalton. He is known for his work on the atomic theory of matter, proposing that all matter is made up of tiny, indivisible particles called atoms. His ideas laid the foundation for modern chemistry.


What is the contributions of Thales in the atomic theory?

Thales was not a chemist; important contributions in geometry and astronomy.


What was Benjamin Franklin's contribution to atomic theory?

Benjamin Franklin made several contributions to various scientific fields. In atomic theory, he was the first to propose how to measure the size of an atom.


Who are the early scientists who made contributions in the development of the atomic theory?

Early scientists who made significant contributions to the development of the atomic theory include Democritus, who proposed that matter is made up of indivisible particles called atoms, and John Dalton, who introduced the concept that elements are made up of identical atoms that combine to form compounds in fixed ratios.


What was Lavoisier's contributions to the development of the modern atomic theory?

Antoine Lavoisier was a French nobleman and chemist. His contribution to the development of the modern atomic theory was his idea of the possibility of an Atomic Mass.


What were arthur compton's contributions to the atomic theory?

Arthur Compton made significant contributions to the atomic theory by discovering the Compton effect, which provided experimental evidence for the particle nature of light. This discovery helped establish the understanding that light can behave as both a wave and a particle, which was fundamental to the development of quantum mechanics.


What statement supports one of Dalton's contributions to the atomic theory?

the element carbon is made up of carbon and nitrogen


What did Philipp Lenard Contribute to the atomic theory?

Philipp Lenard made contributions to understanding the photoelectric effect, for which he was awarded the Nobel Prize in Physics in 1905. However, he did not contribute significantly to the development of the atomic theory. His work focused more on experimental physics and electron behavior rather than atomic structure.


What was Rutherford's contributions to the atomic theory?

Ernest Rutherford contributed to the atomic theory through his gold foil experiment. He discovered that there was a positively charged central core to the atom and he called it the nucleus.


Did James Chadwick have anything to do with the atomic theory?

Yes, James Chadwick was a British physicist who made significant contributions to the atomic theory. He is best known for his discovery of the neutron, a neutral subatomic particle found in the nucleus of an atom. This discovery helped to advance our understanding of atomic structure and laid the foundation for the development of nuclear physics.


Robert A. Millikans contributions to the atomic theory?

Robert A. Millikan was the first to determine the electrical charge of the electron.


What nationality was physicist Niels Bohr?

Neils Bohr was a Danish physicist. He made contributions to the understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922.