|
This is just a FREE sample preview of the essay
Subscribe to Essay Galaxy for instant access to view the entire paper
Essay Galaxy - The Atom
The Atom
In the spring of 1897 J.J. Thomson demonstrated that the beam of glowing
matter in a cathode-ray tube was not made of light waves, as "the almost
unanimous opinion of German physicists" held. Rather, cathode rays were
negatively charged particles boiling off the negative cathode and attracted to
the positive anode. These particles could be deflected by an electric field and
bent into curved paths by a magnetic field. They were much lighter than
hydrogen atoms and were identical "what ever the gas through which the discharge
passes" if gas was introduced into the tube. Since they were lighter than the
lightest known kind of matter and identical regardless of the kind of matter
they were born from, it followed that they must be some basic constituent part
of matter, and if they were a part, then there must be a whole. The real,
physical electron implied a real, ....
|
|
Number Of Pages: 6 |
Number Of Words: 1585 |
Got a term paper due soon and need some help quick? You have come to the right place. Essay
Galaxy has over 50,000 essays, papers, and reports available for download right now! Get
ideas from thousands students just like you to help make that essay perfect. Don't hesitate.
Join today and get instant access to our enormous database.
|
Membership Options |
Price |
Savings |
|
1 month subscription |
$19.95 recurring |
* |
3 months subscription |
$39.95 recurring |
$19.90 |
6 months subscription |
$69.95 non-recurring |
$49.75 |
|
|
Credit card and check processing is provided by PayPal and is 100% safe and secure
|