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4.04 Atomic Theory

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Taylor McKown

on 12 February 2014

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Transcript of 4.04 Atomic Theory

Born on December 18, 1856 in Cheetham Hill, England.
J.J. Thomson
J.J. Thomson's father had always planned for him to be an engineer, but when the time came, an apprenticeship at an engineering firm couldn't be found. So, Thomson was sent to Trinity college at Cambridge to study mathematics and the physical sciences on a small scholarship. This was one of the first steps that led him to his study of the atom.
Were there experiences in his life that led to his interest in science and the study of the atom?
J.J. Thomson's whole idea of how the atom is set up with the Plum-pudding model was disproven. Because, instead of negatively charged electrons embedded in a blob of positively charged matter, like plum pudding, the atom has an electron cloud surrounding a nucleus with neutrons and protons. But his discovery of the electron in the first place is present in the modern atomic model.
Which contributions are present in the modern atomic model and which were eventually disproven?
J.J. Thomson's work and the Plum-Pudding atomic model is something that helped advance the past atomic models. It made a higher stepping stone for future models. And his discovery of the electron was a very important discovery.
Defend his work on the atom and its contribution to the modern atomic model.
4.04 Atomic Theory
Taylor Mckown
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