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We're standing on
the shoulders of giants.
1803--Dalton--father of Atomic Theory, had 5 theories
1832--Faraday--taught himself with books from his employer, made the electric generator, studied electromagnetism
1878--Crookes--his invention led to Thomson’s experiments
1891--Stoney--named the electron
1897--Thomson--the electron is negative and has an extremely small mass, Plum Pudding Model
1898--Rutherford--the nucleus is positive and has an extremely small volume, the atom is mostly empty space
1900--Planck--introduced quantum theory, developed a mathematical constant relating energy to frequency of a wave
1905--Einstein--miracle year
1907--Millikan--used the oil drop experiment to determine the electron’s mass and charge
1913--Soddy--discovered isotopes
1922--Bohr--developed most of the current theory we use today, electrons orbit the nucleus at energy levels
1923--de Broglie--introduced the particle/wave duality of an electron
1932--Chadwick--discovered the neutron
1933--Joliot-Curie--researched radioactive elements, worked with artificially radioactive elements
1942--Manhattan Project
s=sharp
p=principal
d=diffuse
f=fundamental
Elements Organized by Block
orbital_configurationws.doc | |
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orbital_practice.doc | |
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electron_configuration_fill_in_model_two_sided.pdf | |
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why_trends.doc | |
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FONClBrISCH P
(Pronounced like "FON-kul-brish")
Greatest to lowest atom electronegativities
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trends.doc | |
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spectroscope_observations.doc | |
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flame_test_2015.doc | |
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e_h_v_planckseq.pdf | |
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ch._3_4_and_5_review_ws_2018.docx | |
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ch._3_and_11_review_ws_2015.docx | |
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2015_ch._3_and_11_review_key.pdf | |
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