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Discovered how magnetic field connected to atomic structures.
Discovered how laws of thermodynamics connect to atomic structure.

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Pearson Success Net. (n.d.). Retrieved from https://view.etext.home2.pearsoncmg.com/ebook/launcheText.do?values=bookID::1000221::platform::1033::fromloginpage::N::invokeType::lms::launchState::goToEBook::platform::1033::RUMBAUserID::ffffffff579fa417e4b0c0fcd852e2c3::globalBookID::CM46159595::userID::6450195::scenario::7::scenarioid::scenario7::courseid::868914::sessionID::Uk48NQZbNbyjUY6QO8l5odxOKkvsQnrF::smsUserID::11138592::hsid::52ccc46c42d8922c80c04702d49a02dd

Conceptions, B. I. (1922). Niels Bohr - Biographical. Retrieved October 05, 2016, from http://www.nobelprize.org/nobel_prizes/physics/laureates/1922/bohr-bio.html

Weisstein, E. W. (n.d.). Maxwell, James. Retrieved from http://scienceworld.wolfram.com/biography/Maxwell.html

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An Atomic History of the History of Atoms

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An Atomic History of the History of Atoms

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Created by Jessica Kaplan and Jared Criz

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Discovered the structure of atoms and the atomic nuclei.
Won a Nobel Prize for his work on the atom

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Gold Foil Experiment: shot alpha particles (very small, fast, dense) at gold foil

Expected all particles to go through - some did, but other didn’t

Came up with nucleus

Proved atom was mostly empty, but small, dense and positive nucleus is inside

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Discovered the neutron (which is in the nucleus)

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Discovered the proton (which is in the nucleus)

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Used Cathode Ray Tube experiment to prove the atom was made of electrons

Could bend the light and particles traveled from negative to positive ends

Discovered electron

Altered Dalton’s model of the atom because now there is something inside of it

Knew that because there is a negative charge (electron) there must be something in it that gives off a positive charge because atoms are neutral

Plum Pudding model: atoms was made of positively charged stuff with negatively charged particles spread apart

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Tested Democritus’ idea 2000 years later

Atomic Theory:

All matter is made up of atoms

Atoms are indivisible: cannot be broken down into smaller particles

All atoms of one element are exactly alike, but they are different from atoms of other elements

A given compound always has the same relative numbers and kinds of atoms. Atoms join in whole number ratios

Atoms are neither created nor destroyed in any chemical reaction

Believed atom was a solid sphere (marble-like)

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All matter was made up of particles (atoms) and the atoms could not be divided into smaller particles