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Each successive model of the atom was developed to produce a theoretical explanation for a practical result. John Dalton’s hard-sphere model accounted for the way atoms pack together. J. J. Thomson’s plum pudding model accounted for the presence of negatively charged particles in the atom, which we call “electrons.”.
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Hace 2 días · Signature. J. Robert Oppenheimer (born Julius Robert Oppenheimer; / ˈɒpənhaɪmər / OP-ən-hy-mər; April 22, 1904 – February 18, 1967) was an American theoretical physicist. He was director of the Manhattan Project 's Los Alamos Laboratory during World War II and is often called the "father of the atomic bomb ". Born in New York City ...
Hace 5 días · J. J. Thomson’s plum pudding model didn't work well when he tried to explain some experiments about how elements have atoms. Ernest Rutherford, a British scientist, did an experiment and based on what he saw, he came up with a theory about the atoms of elements and came up with the Rutherford Atomic Model.
Hace 5 días · Freeman John Dyson FRS (15 December 1923 – 28 February 2020) [1] was a British-American theoretical physicist and mathematician known for his works in quantum field theory, astrophysics, random matrices, mathematical formulation of quantum mechanics, condensed matter physics, nuclear physics, and engineering.
Hace 5 días · J.J. Thomson an English physicist, was awarded the Nobel Prize in Physics in 1906 for the discovery of the electron and for his work on the conduction of electricity in gases. Thomson is also credited with finding the first evidence for isotopes of a stable (non-radioactive) element in 1913, as part of his exploration into the ...
Hace 5 días · Surprisingly, Thomson did not send Joule a copy of his paper, but when Joule eventually read it he wrote to Thomson on 6 October, claiming that his studies had demonstrated conversion of heat into work but that he was planning further experiments.
