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QuizInterpret formulas
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Quiz: Interpret formulas
1. The total number of atoms in 10 molecules of CO2 is:
none of these1030203
2. The structures of the male and female sex hormones testosterone (C19H28O2) and estradiol (C18H24O2) are remarkably similar considering their profoundly different effects. Three molecules of testosterone contains how many more carbon atoms than three molecules of estradiol?
none of these12151354
3. The number of hydrogen atoms in 8 molecules of methanol, CH3OH, is
32424none of these83
4. The compound SF6 is a colorless, odorless, extremely heavy gas, about 5 times as dense as air. A sample of 100 molecules of SF6 contains
600 S and 600 F1 S and 6 F100 S and 600 F6 S and 6 F
5. The banned insecticide DDT, (ClC6H4)2CHCCl3, contains how many chlorine atoms per molecule?
3419145
6. Realgar, As2S2, is a soft red-orange mineral that was once used in colored fireworks. An explosion that releases a million atoms of arsenic could contain how many molecules of realgar?
2 x 1061 x 1065 x 1052 x 1051 x 105
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General Chemistry Online! Quiz: Interpret formulas

Copyright © 1997-2005 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 06/11/07.URL: http://antoine.frostburg.edu/chem/senese/101/compounds/interpret-formulas-quiz.shtml