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Atoms
Part 1 of Paper
....irst 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 (where the English word atom comes from) and that these
particles could not be cut. This went against the present day the.... Part 2 of Paper
....osition 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
decided that the ray was made up of particles with a negative charge. He
named these particles electrons. This discovery also showed that atoms had
a substructure. Thomson made a model showing his idea for the atom. His
model, called the raisin dough model had positive and negative particles
imbedded into a positi.... |
| Number of words: 520 - Approximate pages: 2 |
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