Problem: Lewis structure for the polyatomic hydroperoxyl (HO2-) anion. Be sure to include all resonance structures.

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We are being asked to draw the Lewis structure for the polyatomic hydroperoxyl (HO2-) anion and include the resonance structures


First, we will have to draw the Lewis Structure of HO2-.

For this problem, we need to do the following steps:

Step 1: Determine the central atom in this molecule.
Step 2: Calculate the total number of valence electrons present.
Step 3: Draw the Lewis structure for the molecule.
Step 4: Determine the resonance structures.


Step 1: Hydrogen can only make 1 bond so oxygen is the central atom.

Step 2: The total number of valence electrons present in HO2- is:

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Problem Details

Lewis structure for the polyatomic hydroperoxyl (HO2-) anion. Be sure to include all resonance structures.

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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 Resonance Structures concept. You can view video lessons to learn Resonance Structures. Or if you need more Resonance Structures practice, you can also practice Resonance Structures practice problems.