What is the oxidation state of Hg in Hg2Cl2?
O A. +2
O B. -2
O C. -1
O D. +1

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

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?

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1: