[CanCangurl87]

i don't understand this question, for formaldehyde ( they drew it)

https://www.google.com/search?q=formaldehyde+structure&source=lnms&tbm=isch&sa=X&ei=CJ8JU6TvG4aSyAHGk4HwBw&ved=0CAcQ_AUoAQ&biw=1049&bih=611#facrc=_&imgdii=_&imgrc=xgLz8dCZ6DQMXM%253A%3B3r3sBMH9znE8NM%3Bhttp%253A%252F%252F0.tqn.com%252Fd%252Fchemistry%252F1%252F0%252Fl%252FG%252F1%252FFormaldehyde.jpg%3Bhttp%253A%252F%252Fchemistry.about.com%252Fod%252Ffactsstructures%252Fig%252FChemical-Structures---F%252FFormaldehyde.-eHV.htm%3B400%3B370


it says to

 Identify the atomic orbitals that form each C-H bond.

can you please explain how to do these kind of problems?


thank you

{MOD EDIT: break silly link}

[Benzene]

what do you know about the molecule?

[Arkcon]

I selected a few images from the Google search page you linked.  Can you begin to use them to solve the problem for yourself?