I want to dedicate this book to Democritis of Adbera, John Dalton, James Chadwick, J.J. Thomson, Ernest Rutherford, Niels Bohr, Edwin Schrodinger, Werner Heisenberg, Robert Milikan, Dmitri Mendeleev, and Henry Mosley because without them it would be practically imposiblle to be where we are today in anything haveing to do with science amd mathematics. We should all be grateful of their work and be able to acnowledge every discoverie that they have ever made about atoms

Table of contents
ATOMIC THEORY 3
cATHODE RAY TUBE EXPERIMENT AND THE
OUTCOME 5
GOLD FOIL EXPERIMENT AND THE OUTCOME 6
THEORY ON ATOMIC STRUCTURE 7
UNCERTAINTY PRINCIPLE 9
DISCOVERY OF THE SUBATOMIC PARTICLE 10
OIL DROP EXERIMENT AND THE OUTCOME 11
PERIODIC TABLE ARRANGEMENT 12
Atoms are what make up everything and are made out of sumbatomic particles. They are the smallest unit of a chemical element.
Atoms were first thought of in 460 B.C. by a Greek philosopher named Democritis. He was wondering what would happen when you break matter into smaller pieces until it wi no longer able to be broken. He figured that it had to stop at some point but he wasn't sure when and he wasnt sure what it would be called. Democritis had shared his thoughts with the other Greek philospohers but they did not think the same way that he did and they all dismissed the idea and did not try to go into
ATOMIC THEORY
ATOMIC THEORY
further thought about his theory for 2000 years.
Around the 1800's people finally started to question the structure of matter and an English Chemist named John Dalton did many expiriments with different chemicals that showed matter.
CATHODE RAY TUBE EXPERIMENT AND THE OUTCOME
An English physicist in 1897 named J.J. Thomson had discovered the electron and thought of a way to show the atom in a model.
In 1900 a professor of theoretical physics named Max Planck showed that you can measure the energy only in discrete units when you vibrate atoms strong enough to the point where they glow.
GOLD FOIL EXPERIMENT AND THE OUTCOME
In 1911 Ernest Rutherford experimented with atoms by bombarding them with alpha rays. He used radium shining through gold foil and flourescent screen to observe the impact the alpha particles had on the atoms. He knew what the atoms consisted of so he developed his own model. In 1919 he finally identified the nucleus to have a positive charge. Later on something went wrong with his model and the electron ended up spiraling inward.

THEORY ON ATOMIC STRUCTURE
In 1912 Niels Bohr had a theory about why the electrons didnt spiral into the nucleus. He had come up with some rules to make sure that didn't happen.
The first rule that electrons are only able to orbit the nucleus at certain distances. The second sule is that when an electron jumps from a higher-energy orbit to a lower-energy orbit, the atoms radiate energy. Also when the electron gets boosted from low-energy to high-energy orbit the atom absorbs the energy. Later on around the 1920's it was shown that Bohr's model had some problems.
THEORY ON ATOMIC STRUCTURE
In 1924 Louis de Brogile thought of particles of matter and if light can be particles and wave then why cant atoms also be waves? He solved it using some equations and he was later proved right by some experiments.
In 1926 Erwin Schrodinger wnated to from a model of the atom on the basis of particle waves and it worked just like the harmonic violin string theory. He made a symbol for it called the 'psi', the 'psi' came from the greek lettering and later that same year Max Born found out about it. Born thought that the psi represented waves or the way that the atoms rippled.

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I want to dedicate this book to Democritis of Adbera, John Dalton, James Chadwick, J.J. Thomson, Ernest Rutherford, Niels Bohr, Edwin Schrodinger, Werner Heisenberg, Robert Milikan, Dmitri Mendeleev, and Henry Mosley because without them it would be practically imposiblle to be where we are today in anything haveing to do with science amd mathematics. We should all be grateful of their work and be able to acnowledge every discoverie that they have ever made about atoms

Table of contents
ATOMIC THEORY 3
cATHODE RAY TUBE EXPERIMENT AND THE
OUTCOME 5
GOLD FOIL EXPERIMENT AND THE OUTCOME 6
THEORY ON ATOMIC STRUCTURE 7
UNCERTAINTY PRINCIPLE 9
DISCOVERY OF THE SUBATOMIC PARTICLE 10
OIL DROP EXERIMENT AND THE OUTCOME 11
PERIODIC TABLE ARRANGEMENT 12
Atoms are what make up everything and are made out of sumbatomic particles. They are the smallest unit of a chemical element.
Atoms were first thought of in 460 B.C. by a Greek philosopher named Democritis. He was wondering what would happen when you break matter into smaller pieces until it wi no longer able to be broken. He figured that it had to stop at some point but he wasn't sure when and he wasnt sure what it would be called. Democritis had shared his thoughts with the other Greek philospohers but they did not think the same way that he did and they all dismissed the idea and did not try to go into
ATOMIC THEORY
ATOMIC THEORY
further thought about his theory for 2000 years.
Around the 1800's people finally started to question the structure of matter and an English Chemist named John Dalton did many expiriments with different chemicals that showed matter.
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