Hi, I need help with something. What are the correct formulas and names of manganese and oxygen compounds.

3 answers

Well, there are only a few thousand Mn compounds and a few hundred thousand oxygen compounds. I suggest you look in something like "The Merck Index" or "Handbook of Physics and Chemistry" for this.
No as in compounds only using Mn and O like MnO Mn20 etc
Here is a listing.
http://en.wikipedia.org/wiki/Manganese_oxide