I agree with the other ladies. I have a recipe where I cook chicken breasts with potatoes with a sauce over them for 1 hr 25 minutes. I'm not good at cooking meat, though. You can find a ton of recipes online, too!
If it is still completely whole I would try it on 350 for 45 minutes to an hour. Just check near the bones before you eat it. If there is still blood near the boned give it about another 15 minutes or so.
HaHa, I like the way you spelled "chicken".. too cute! Hopefully that is what you meant anway. We pronounce it the way you spelled it. =)
I would suggest putting it in the oven at 350 for about 45 minutes, if you think it might be done sooner, cut into the breasts, if the juices run clear you are good to go!