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Biggest Mistakes in Chemistry: Polyatomic Ions

Feb 22, 2020
This is a really complicated topic, teachers and professors love to ask quest

ions

about this and you often see it appear on tests like AP, sat2 and MCAT, so this is the type of question you might see: What types of links there is in na3 ionic or coent. Think about this for a second. Many people say that there are ionic bonds, but the correct answer is that both the ionic bonds and the coefficients are in N3. Let's talk about this. If you are thinking about ionic bonds, you may have been reasoning that sodium na can form. one more ion and you may have recognized NO3 from the list of

polyatomic

ions

.
biggest mistakes in chemistry polyatomic ions
It is a

polyatomic

ion known as nitrate and it has a charge of 1 minus so the na+ and NO3 1 minus because I have opposite charges will stay together like magnets due to ionic bonds so you are absolutely right that the na3 it has ionic bonds that hold the na+ together with the NO3 less to understand where the coent bonds come in, we need to talk a little bit about this NO3, so let's get closer. in this so we can see the real atoms, here's na+ and now here's nitrate. Nitrate is a polyatomic ion, which means it has a bunch of atoms stuck together in a group and then this whole group has a negative charge, so here's the As we said, ionic bonds hold these guys together, but it What holds the atoms together in the nitrate group are the cogent bonds, so for example there is a hot bond between this O and the N that holds them together, there is also a hot bond here and a hot bond here actually we can show this if we look at the leis structures so here is na+ now here is a leis structure for nitrate NO3 these lines between the atoms show that they are sharing electrons and they are connected due to heated bonds so there is a heated bond bond here here and here holding the atoms together in nitrate and then there is an ionic bond between all the nitrate that has this negative charge and na+ so what types of bonds are there in the N3 ionic bonds that hold the two ions together but then they stay united the cogent links? all the atoms that make up this polyatomic ion
biggest mistakes in chemistry polyatomic ions

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