Problem: Draw the structure of NO3-.Draw the ion by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Use square brackets to denote the overall charge.An oxyanion is a polyatomic ion that contains oxygen and has a net negative charge. Examples are SO42- , NO3- , and CO32-In many oxyanions, the oxygen atoms form one single bond with three lone pairs, giving them each a formal charge of − 1. O- However, if this bonding arrangement does not give the central..atom an octet of electrons, multiple bonds form between the central atom and one or more of the outer oxygen atoms. An oxyanion may combine with a cation to form an ionic compound. Examples are K2SO4, NaNO3, and CaCO3.

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Problem Details

Draw the structure of NO3-.


Draw the ion by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Use square brackets to denote the overall charge.


An oxyanion is a polyatomic ion that contains oxygen and has a net negative charge. Examples are SO42- , NO3- , and CO32-

In many oxyanions, the oxygen atoms form one single bond with three lone pairs, giving them each a formal charge of − 1. O- However, if this bonding arrangement does not give the central..

atom an octet of electrons, multiple bonds form between the central atom and one or more of the outer oxygen atoms. An oxyanion may combine with a cation to form an ionic compound. Examples are K2SO4, NaNO3, and CaCO3.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Lewis Dot Structure concept. You can view video lessons to learn Lewis Dot Structure. Or if you need more Lewis Dot Structure practice, you can also practice Lewis Dot Structure practice problems.

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Based on our data, we think this problem is relevant for Professor Jones, Auzanneau & deLaat's class at University of Guelph.