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Home :Companion Notes :Compounds :Polyatomic ionsPrint | Comment

Quiz
1. Which of the following is the bisulfate ion?
S2O32-(SO42-)2HSO4-SO42-S2O82-
2. Nitrates are used in making rocket propellants, fertilizers, dynamite, and fireworks. The formula of the nitrate ion is:
NO2-N2O3-2NO3-NO4-NO32-
3. A sudden surge in the concentration of thiosulfate ions in geyser water may be a sign that a volcanic eruption is imminent. The thiosulfate ion is:
SO42-S2O32-S2O4-S2O42-SO32-
4. If TeO42- is the tellurate ion, the name of the TeO32- ion is expected to be:
telluritehemitelluratetelluridehypotelluritepertellurate
5. Sulfite ion is often used to "fix" photographic film during development. The formula of the sulfite ion is:
SO32-HSO4-S2O3-2SO42-SO3-
6. The NO4- ion exists in small quantities in the upper atmosphere. Using the naming guidelines for polyatomic ions, the name of this ion would be:
nitratehyponitritepernitratesupernitratenitrite
7. Sodium peroxide can be used for oxygen generation in diving bells and submarines, since it reacts with carbon dioxide and produces oxygen gas. The peroxide ion has the formula:
O2-O2-O22-O2+O3-
8. Perbromate ion is extremely unstable for quantum mechanical reasons. If it existed, the formula of the perbromate ion could be:
HBrO3-BrO4-2BrO32-BrO3-BrO4-
9. Ammonium nitrate is used as a fertilizer by farmers and as an explosive by terrorists. The formula of ammonium nitrate is
NH4NO3AmNO2(NH4)2NO2NH3NO2NH3NO3
10. Phosphate ion is the most common:
+1 anion-3 anion+1 cation-1 anion-2 anion
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Copyright © 1997-2005 by Fred Senese
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Last Revised 06/11/07.URL: http://antoine.frostburg.edu/chem/senese/101/compounds/polyatomic-quiz.shtml