Lecture_Notes_083109a

Lecture_Notes_083109a - ATOMS, MOLECULES AND IONS Zumdahl...

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Unformatted text preview: ATOMS, MOLECULES AND IONS Zumdahl Chapter 2 Law of Conservation of Mass Antoine Lavoisier 1743 - 1794 Lavoisier Statue at Hôtel de Ville in Paris. Father of modern chemistry. Discovered that matter can neither be created nor destroyed. Executed in 1794 during the French Revolution because he was a tax collector and considered a traitor to the French people. Dalton’s Atomic Theory 1. Elements made up of tiny particles called atoms. 2. Atoms of a given element are identical. 3. Compounds are formed when atoms of different elements combine with each other. 4. Chemical reactions involve reorganization of the atoms, how they bond with each other. Gay-Lussac’s Law of Gases Joseph Louis Gay-Lussac French Chemist 1778 - 1850 Gases react so that their volumes are in whole number ratios. Avogadro’s Hypothesis Lorenzo Romano Amedeo Carlo Avogadro Italian “Savant” 1776 - 1856 At the same temperature and pressure equal volumes of different gases contain the same number of particles. Discovery of the Electron J. J. Thomson British Scientist 1856 - 1940 Which of the following is...
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This note was uploaded on 10/14/2009 for the course CHEM 105ALg at USC.

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Lecture_Notes_083109a - ATOMS, MOLECULES AND IONS Zumdahl...

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