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Quiz: Interpret formulas
1. The number of carbon atoms in 5 molecules of oxalic acid, H2C2O4, is
20210510
2. In four molecules of sulfuric acid, H2SO4, there are:
4 atoms total.16 atoms total
8 H atoms; 4 S atoms; 16 O atoms.2 H atoms; 1 S atom; 4 O atoms.
4 H atoms; 4 S atoms; 4 O atoms.
3. The total number of atoms in 10 molecules of CO2 is:
10203none of these30
4. 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 1051 x 1062 x 1065 x 1051 x 105
5. 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
1 S and 6 F6 S and 6 F 600 S and 600 F100 S and 600 F
6. 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?
54125113none of these
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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