What is the electron configuration of an element with atomic number 15?

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Which property of water causes water drops to bead on a freshly waxed car?

Compare sympathetic and parasympathetic