Chem_0010_Topic_I - CHEM 0010 Foundation of Chemistry Dr....

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1 CHEM 0010 Foundation of Chemistry Dr. Kelvin Leung 梁士賢 博士 Department of Chemistry Hong Kong Baptist University Textbook and References: My office: Dr. Kelvin LEUNG SCT 1305B 3411 5297 s9362284@hkbu.edu.hk Download of Lecture Notes BU moodle
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2 Chem 0010 Foundation of Chemistry Topics I to II: Dr. Kelvin LEUNG Topics III to IV Dr. Daniel KWONG Topic V to VI: Dr. S Y LAI Topic VII: Prof. WONG M S Ricky Guest Lectures Prof. Fred CHAN 3rd February 2009 How to Study Chemistry? • Attend and pay attention in lectures; • Revision of textbooks / references and teaching materials after lectures; • Adapt using ENGLISH (for reading and writing); • Pay attention to Chemistry-related issues in daily life; • Do revision exercises. ASK QUESTIONS!!!
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3 What is Chemistry? 1. Matter is anything that occupies space and has mass. 2. A substance is a form of matter that has a definite composition and distinct properties. Chemistry is the study of matter and the changes it undergoes 1.4 Sugar Water Gold
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4 Periodic Table No Names have been assigned for elements 112, 114 & 116 Elements 113, 115, 117 & 118 have not been synthesized. An element is a substance that cannot be separated into simpler substances by chemical means . • 114 elements have been identified • 82 elements occur naturally on Earth gold, aluminum, lead, oxygen, carbon • 32 elements have been created by scientists technetium, americium, seaborgium 1.4
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5 A compound is a substance composed of atoms of two or more elements chemically united in fixed proportions. Compounds can only be separated into their pure components (elements) by chemical means. 1.4 Water (H 2 O) Glucose (C 6 H 12 O 6 ) Ammonia (NH 3 ) Atoms, Molecules and Ions Topic I
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6 Dalton’s Atomic Theory (1808) 1. Elements are composed of extremely small particles called atoms . 2. All atoms of a given element are identical, having the same size, mass and chemical properties. The atoms of one element are different from the atoms of all other elements.
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Chem_0010_Topic_I - CHEM 0010 Foundation of Chemistry Dr....

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