chapter1tro - CHEMISTRY 161 Chapter 1 Chemistry arabic:...

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CHEMISTRY 161 Chapter 1
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Chemistry arabic: al-kimya greek: khymeia latin: chimica ‘FUSION’ ~ 3,500 BC
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Solar System Chemistry
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Chemistry in Space Star Formation Star Destruction Amino Acids Sugars ASTROBIOLOGY
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PROPERTIES OF MATTER physical chemical density color odor (determine w/o destruction of matter) reactivity (determine w/ destruction of matter) CHEMICAL REACTION STATE EXPERIMENT I EXPERIMENT II
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decomposition (water) combination from two or more elements (exception: ozone O 3 ) EXPERIMENT III EXPERIMENT IV
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ELEMENTS 1. cannot be decomposed by chemical means 2. different elements have different properties 3. each element is assigned a unique chemical symbol (one or two letters) (common language) a) first letter is always capitalized b) all remaining letter(s) are lower case EXPERIMENT V BOOK (112/114/116)
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Measurements measurements are numerical (quantitative) observations how much? weight; volume; speed; energy; density; distance qualitative observations color, small what?
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number error* unit Measurements *uncertainty
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chapter1tro - CHEMISTRY 161 Chapter 1 Chemistry arabic:...

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