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- 1. Multiple ChoiceThe anhydrous compound with the formula CrCl3 is a violet solid. The most common form, however, is the dark green hydrated form with the formula CrCl3 · 6H2O. What is the IUPAC name for CrCl3 · 6H2O?chromium(III) chloride hexahydratechromium(III) chlorate hexahydratechromium(I) chlorate hexahydratechromium(I) chloride hexahydrate
- 2. Multiple ChoiceChoose the correct IUPAC formula for the compound lead(II) bromite.Pb(BrO3)2Pb(BrO2)Pb(BrO2)2Pb(BrO3)
- 3. Multiple Choice
Consider the illustration of ionic bonding shown. How would you best describe the process of ionic bonding?Metals gain electrons. Nonmetals lose electrons. The overall ratio of ions will give a netural charge.Metals lose electrons. Nonmetals gain electrons. The overall ratio of ions will have a positive charge.Metals lose electrons. Nonmetals gain electrons. The overall ratio of ions will have a negative charge.Metals lose electrons. Nonmetals gain electrons. The overall ratio of ions will give a netural charge. - 4. Multiple ChoiceUse electron-dot notation to demonstratethe formation of an ionic compound involvingthe elements Al and S.ABCD
- 5. Multiple ChoiceWhich of the following Lewis dot models would most likely represent the compound potassium oxide?ABCD
- 6. Multiple ChoiceRecall that the ions in ionic compounds combine to form the simplest ratio that gives an overall neutral charge. What would this ratio be between magnesium and nitride ions?Mg2N3Mg3N2MgNMg2N2
- 7. Multiple ChoiceAn element, X, with the general valence electron configuration 2s22p5 will form what compound with magnesium? What is the identity of element X?MgX
The identity of X is oxygen.XMg
The identity of X is oxygen.MgX2
The identity of X is fluorine.X2Mg
The identity of X is fluorine. - 8. Multiple ChoiceCopper(II) sulfate pentahydrate is a fungicide. Mixed with lime it is called Bordeaux mixture and used to control fungus on grapes, melons, and other berries. What is the IUPAC formula for copper(II) sulfate pentahydrate?CuSO4· 5H2OCu2SO4· 5H2OCu2(SO4)2· 5H2OCu(SO4)2· 5H2O
- 9. Multiple ChoiceAl2O3 is a common ingredient in sunscreen and is sometimes present in cosmetics such as blush, lipstick, and nail polish. What is the IUPAC name for the compound Al2O3?dialuminum trioxidealuminum oxidealuminum(II) oxidealuminum(III) oxide
- 10. Multiple ChoiceMetal atoms that have the general valence level configuration of ns2 will form what ratio with carbonate ions?X(CO3)X2(CO3)X(CO3)2X2(CO3)2
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