|
|
|
This is just the first few lines of the paper. To see the full paper, just
register for an account. It is free and you get
access to thousands of example term papers in our free essay database.
|
Beginning of Paper
|
Atoms
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 (where the English word atom comes from) and that these
particles could not be cut. This w ....
|
|
Middle of Paper
|
.... 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 positive atom.
Other particles in the atoms nucleus were discovered after the
electron thanks to Albert Einstein. In his theory of relativity, pr ....
|
|
ADDITIONAL FEATURED ESSAYS
The Geiger-Muller Tube
In , particles ionize gas atoms. The tube
contains a gas at low pressure. At one end of the tube
Mini-Research
ELECTRON- In 1897, Sir J. J. Thomas, an English physicist, measured the
deflection of cathode-ray
Nuclear Energy
During the twentieth century scientists have discovered how to unleash
the most powerful energy of
John Dalton (1766 - 1844)
Around September 2, 1766 John Dalton was born. He was born in Eaglesfield, England. Dalton was mo
Organic Compounds
Chemists observed that there were two types of substances. Those
from non-living matter and those
|
|
