How to name ionic compounds containing common polyatomic ions..
You can identify ions by the fact that they are charged particles. For example, Fe3+ and NO3 are both ions. However, Fe3+ is made of only a single iron atom, so it is what we a monatomic ion "mono-" meaning one and NO3 is what we a polyatomic ion "poly-" meaning more than one ..This quiz tests to see if you can identify the formulas of a polyatomic ions. Select the answer choice with the correct name of the given formula..Determining the charge of a polyatomic ion. Polyatomic ions exist because the atoms contained in them with stable electron configurations. These are even number of electrons. If the total of the group numbers of the atoms is odd, it will need an odd number of electrons to make the total even. Therefore if the total is an odd #, the .Bad news: You don't. Basi.y, you have to memorize the names of the polyatomic ions. There are "shortcuts" you can use to figure some of them out, but it's .