Which metals have similar chemical properties? check all that apply. barium

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

How many moles of al3+ ions are in 1.25 moles of al2o3

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?