Elements, Compounds, and MixturesClassify each of the pictures below by placing the correct label in the blanks below:A= ElementB= CompoundC= Mixture of elementsD= Mixture of compoundsE= Mixture of elements and compoundsEach circle represents an atom and each different color represents a different kind ofatom. If two atoms are touching then they are bonded together.8.1)3)5)6).88)9)10)11)12)13)14)15)

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Naturally occurring silicon consists of three isotopes with the following isotopic masses and abundances. Isotope Isotopic mass (u) Abundance (%) 2828Si 27.976926532727.9769265327 92.229792.2297 2929Si 28.9764947228.97649472 4.68324.6832 3030Si 29.9737702229.97377022 3.08723.0872 Calculate the average atomic mass of naturally occurring silicon to at least four significant figures
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Tell how many atoms of each element are present in the given compound
A cream contains 4.0% (by mass) lidocaine to relieve back pain. If a patient uses 17 grams of cream, how many milligrams of lidocaine are used? Your Answer: Answer units 18 Group 8A Group 1A 13 15 Group Group Group Group Group He SA 14 16 17 1 H Group 2A ЗА 4A 6A 7A 4.003 10 Ne 1.008 6 8 Li Be Transition elements 10.81 13 6.941 9.012 12 12.01 14.01 16.00 19.00 17 CI 20.18 18 Ar 11 14 15 16 Na Mg 3. 4 7 9. 10 11 12 Al Si 3 3B 4B 5B 6B 7B -8B 1B 2B 32.07 34 Se 39.95 26.98 31 Ga Ge As 28.09 32 35.45 35 Br 22.99 30.97 24.31 20 Ca 33 21 SC 19 22 23 24 25 26 27 28 29 30 Ti Cr Mn Fe Co Ni Cu Zn Kr 4 78.96 52 79.90 53 83.80 54 Хе 54.94 39.10 37 58.93 45 63.55 47 65.41 48 69.72 49 72.64 50 74.92 40.08 44.96 47.87 40 50.94 41 Zr Nb Mo 52.00 42 55.85 44 58.69 46 38 Rb Sr Tc Ru Rh Pd Ag Cd In Sn Sb Te 131.3 86 Rn 126.9 95.94 74 (99) 75 102.9 77 106.4 78 107.9 79 112.4 80 114.8 81 TI 121.8 83 127.6 84 Po 118.7 82 Pb 207 2 114 FI 85.47 55 87.62 56 Ba 88.91 57 La 91.22 72 Hf 92.91 73 101.1 76 85 6.…
U-238 is naturally the most abundant form of uranium; however, only U-235 can be used as fuel in a nuclear reactor, so uranium for us in the nuclear industry must be enriched in this isotope. If a sample of enriched uranium has 78.72% of U-235 isotope and 21.28% U-238 isotope, what is the average atomic mass of the Uranium sample?

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