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The Atomic Theory - Online Term Paper

The Atomic Theory

In this report I will give a history on the development of . I will
cover some of the most important dates in the development of atomic theory.
An atom was first thought of by the Ancient Greeks who believed that
matter was made of smaller particles called elements. The name they gave to these
particles was the atom.
In 1776 the man known as "The Father of Atomic Theory", John Dalton was born in England. He is
known as the father of atomic theory because he is the one who discovered many of the different masses for
different elements, he also discovered the different proportions which molecules are formed in. Dalton also
discovered the inert gases, and their failure to react with ...

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of the atomic theory, was born in
1906. Thomson won the Nobel Prize in physics (1906) for his work in the conduction of electricty through gases.
He discovered the electron by using cathode rays. An electron is the smallest particle of an atom, the charge on
an electron is negative.
Ernest Rutherford, who was born in 1871 identified the three main components of radioactivity: alpha,
beta, and gamma particles. Radioactivity was discovered by a French scientist named Becquerel. Rutherford
was also the first one to disdcover the true structure of an atom. An atom has a central heavy nucleus with an
electron cloud surrounding it. Ernest was also the credited with the first man made nuclear reaction. This
accomplishment came in 1919.
A colleague of Rutherford's at Cambridge University named James Chadwick discovered the third
fundamental particle that makes up the atom: the neutron. This important discovery led to the making of the first
atom bomb and to the ...

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The Atomic Theory. (2004, September 26). Retrieved December 23, 2024, from http://www.essayworld.com/essays/The-Atomic-Theory/14973

"The Atomic Theory." Essayworld.com. Essayworld.com, 26 Sep. 2004. Web. 23 Dec. 2024. <http://www.essayworld.com/essays/The-Atomic-Theory/14973>

"The Atomic Theory." Essayworld.com. September 26, 2004. Accessed December 23, 2024. http://www.essayworld.com/essays/The-Atomic-Theory/14973.

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PAPER DETAILS

Added: 9/26/2004 10:53:28 PM
Category: Science & Nature
Type: Free Paper
Words: 423
Pages: 2

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