1A_exam_2008_Spring_1 - Name _ Chemistry 1A Spring 2008...

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1 Name _____________________________________ Chemistry 1A Spring 2008 Exam 1 Chapters 1-4 Electronegativities H 2.2 Li Be B C N O F 0.98 1.57 2.04 2.55 3.04 3.44 3.98 Na Mg Al Si P S Cl 0.93 1.31 1.61 1.9 2.19 2.58 3.16 K Ca Ga Ge As Se Br 0.82 1.0 1.81 2.01 2.18 2.55 2.96 Rb Sr In Sn Sb Te I Xe 0.82 0.95 1.78 1.96 2.05 2.1 2.66 2.6 Cs Ba Tl Pb Bi Po 0.79 0.89 2.33 2.02 2.0 2.2 Substance Density in g/mL battery acid 1.29 benzene, C 6 H 6 0.879 blood (whole) 1.05 bromine, Br 2 3.12 chocolate 1.75 copper, Cu 8.94 chromium(III) oxide, Cr 2 O 3 5.2 gasoline 0.7025 gold, Au 19.0 Iron, Fe 7.87 magnesium, Mg 1.74 nitrobenzene, C 6 H 5 NO 2 1.20 oleic acid 0.895 phosphorus oxychloride, POCl 3 1.675 sulfuric acid (concentrated) 1.84 water at 20 ° C 0.997
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2 Answer the following by writing the word, words, letter, letters or number in each blank that best completes each sentence. (1½ point each blank unless stated otherwise) 1. A(n) _______________________ mixture is a mixture with two or more phases. 2. _______________________ means on the order of the size of atoms. 3. _______________________ are the elements that have some but not all of the characteristics of metals. 4. The accepted SI standard for amount of substance is the _______________________ , which has an abbreviation of _____________ . 5.
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1A_exam_2008_Spring_1 - Name _ Chemistry 1A Spring 2008...

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