You may choose answer "e" if no correct answer is found among a, b, c, or d.
 
 

Which of the following is a ternary compound? a. NaCl b. NaOH c. Na2O d. NaBr	The correct name for the ionic compound Al2S3 is a. aluminum sulfide b. aluminum(III) sulfide c. aluminum trisulfide d. dialuminum trisulfide
The correct name for the ionic compound Fe2S3 is a. iron sulfide b. iron(III) sulfide c. iron trisulfide d. diiron trisulfide	Which of the following names is paired with an incorrect formula? a. sodium chloride - NaCl b. calcium oxide - CaO c. lithium nitride - Li3N d. magnesium sulfide - MgS2
The Roman numeral (III) in the name iron(III) oxide indicates that: a. there are three times as many iron atoms present as oxygen atoms b. there are three iron atoms per formula unit c. there are three oxygen atoms per formula unit d. iron atoms present are ions with a +3 charge	Which of the following ionic compounds is named without using a Roman numeral? a. GaCl3 b. AuBr3 c. FeI3 d. NiF3
Which of the following formulas is paired with an incorrect name? a. CuO - copper(II) oxide b. PbO2 - lead(II) oxide c. SnCl2 - tin(II) chloride d. FeBr2 - iron(II) bromide	Which of the following compounds contains 4 atoms per formula unit? a. aluminum nitride b. lead(II) iodide c. magnesium bromide d. nickel(III) chloride
Which of the following statements about polyatomic ions is correct? a. all have names which end in -ate b. all must contain oxygen c. negative ions are more common than positive ions d. all carry a charge of two	Which one of the following compound names is paired with an incorrect formula? a. sodium acetate - NaC2H3O2 b. barium sulfate - BaSO4 c. nickel(II) carbonate - NiCO3 d. magnesium nitrate - MgNO3
The correct name for the compound N2O5 is a. nitrogen pentoxide b. dinitride pentoxide c. pentoxygen dinitride d. dinitrogen pentoxide	Which of the following is a molecular compound that contains 5 atoms per molecule? a. silicon tetrachloride b. disulfur monoxide c. dinitrogen pentoxide d. carbon dioxide
Which of the following compounds has a name which contains the prefix tri-? a. K3N b. SO3 c. Al(NO3)3 d. Ba3(PO4)2	Which of the following acids is named using the prefix hydro-? a. HNO3 b. H2SO4 c. H2S d. H2CO3
Which of the following acids is correctly named? a. HClO3 - perchloric acid b. HNO3 - nitrous acid c. HClO - hydrochloric acid d. H2CO3 - carbonic acid	An oxyacid containing two fewer oxygen atoms than the "-ic" acid would be the a. ...ous acid b. per...ic acid c. hypo...ous acid d. per...ous acid
Which of the following compounds contains the greatest number of ions per formula unit? a. potassium iodide b. iodine heptafluoride c. sodium sulfate d. aluminum nitride	Which of the following compounds contains both ionic and covalent bonding? a. Na3N b. NaCN c. N2O5 d. Cl2O7
Which one of the following polyatomic ions does not contain oxygen? a. hydroxide b. cyanide c. nitrate d. sulfate	Which of the following compounds has a name that is an exception to the rule for naming molecular compounds? a. N2O3 b. PF3 c. NH3 d. S2Cl2