객관식Given the Lewis structure of the nitrate ion (NO_3^-), what is the formal charge of the nitrogen atom?107views
객관식Which of the following Lewis structures for the nitrate ion (NO_3^-) has the formal charges correctly assigned?95views
객관식Based on formal charges, which of the following is the best Lewis electron-dot diagram for the nitrate ion, NO_3^-?87views
객관식Which of the following Lewis structures for the nitrate ion (NO_3^-) is most stable based on formal charges?99views
객관식What is the formal charge of carbon in carbon monoxide (CO) when the Lewis structure is drawn with a triple bond between carbon and oxygen?149views
객관식In the molecule HCN, which atom is most likely to bear a formal charge in its most stable Lewis structure?105views
객관식In the Lewis structure of the sulfate ion (SO_4^{2-}), what is the formal charge on the oxygen atom that is doubly bonded to the sulfur atom?156views
객관식What is the formal charge on the oxygen atom in the Lewis structure of the nitrate ion (NO_3^-), where one oxygen is double-bonded to nitrogen and the other two are single-bonded with each carrying one lone pair?111views