Atoms
Beginning of paper
How many times can one cut a piece of gold in half? A Greek
philosopher named Democritus was the first in a long line of scientists and
mathematicians to try to answer this very difficult question. Around 450
BC, Democritus stated that all mater was composed of particles that he
called atomos (w ....
Middle of paper
.... Dalton was his belief that atoms were round and hard.
This became the primary ambition for scientists after Dalton, to find out
the structure of an atom. In 1897, Joseph John Thomson discovered electrons.
Using a tube, magnets and charged plates, he sent ray particles through
various experiments changing the position of the charged plates. By
changing the plates, he discovered he could also change the point at which
the particles would hit a florescent screen at the end of the tube. He
dec ....
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Word count: 520
Page count: 2 (approximately 250 words per page)
