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The top documents tagged [masses of oxygen]
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Unit II : Atoms, Molecules, Ions and Nuclear Chemistry
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MODELS OF ATOMS ÞDemocritus(400 B.C): said that matter is composed of indestructible particles. He called them atoms, a Greek word which means indestructible
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Chapter 2 Atoms, Molecules, and Ions Early Atomic Theory History n Democritus – “Atomos” (has idea of atoms) n John Dalton & His Laws n J.J. Thompson
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Chapter 2 Atoms, Molecules and Ions The Early History of Chemistry Before 16 th Century Greeks were the first to attempt to explain why chemical changes
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Copyright©2000 by Houghton Mifflin Company. All rights reserved. 1 The Early History of Chemistry 4 Before 16th Century – Alchemy: Attempts (scientific
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Chapter 2: ATOMS, MOLECULES, AND IONS. 4 Before 16th Century –Greeks: 4 fundamental substances: fire, earth, water, and air. –Alchemy: Attempts (scientific
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Courtesy: . 400 B.C. – Matter was composed of four fundamental substances: fire, earth, water, and air. Greeks considered whether matter
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Chapter 2 Atoms, Molecules, and Ions. Chapter 2: Topics Early history of chemistry Fundamental chemical laws Dalton’s atomic theory Early experiments
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Chapter 2
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