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The Alchemists contributed to the atom by breaking down the chemical position of the 4 basic elements,fire, water, earth, and wind -
Democritus created the first model of the atom which was a round sphere with no protons, neutrons, or electrons -
Plato is widely considered the first person to develop the concept of an atom. That matter is compromised in the smallest scale -
The Solar System Model is the an atom of a nucleus with electrons in orbit around it like the solar system -
Robert Boyle's contribution to the atom is that he demonstrated that matter is made of tiny particles known as atoms -
Antone Lavoisier contributed to the understanding of the atomic theory by discovering oxygens role in combustion and respiration. He found out that water is a compound to hydrogen and oxygen -
John Dalton's theory was that all matter was compromised of indestructible atoms with distinct masses and properties -
Billiard Ball model is the name of the atomic model proposed by John Dalton in the early 1800's -
Amedeo discovered that equal volumes of gases contain equal number of molecules -
Dmitri is known for formulating the periodic table law and creating a version of the periodic table -
JJ Thompson's contribution was that he discovered the existence of electrons the - charge of particles -
they are best known that they believed that radioactive particles cause atoms to break down and release radiation -
The Plum Pudding Model is a historic scientific model of ther atom proposed by JJ thompson in 1904 -
Albert Einstien discovered atoms by analyzing the phenomenon of Brownian motion where tiny particles were suspended in water. He also Mathematily proved the existence of atoms -
Robert Milikan contributed to the atom by designing experiments that confirmed the existence of electrons and accurately determined its charge. -
He discovered that the atom was not indestructible and he discovered the nucleus and protons. -
He contributed by experiment with x rays of certain periodic tables and determining the charges on the nuclei of atoms -
Neils Bohr developed the Bohr Model of the atom which is the most widely accepted model of the atom -
Erwin contributed to the atom by proposing the quantum mechanic model which treats electrons as matter. -
the electron cloud model of an atom shows the most probable position of electrons -
James is best known for discovering the neutron in 1932 a particle with no electric charge