HELP ME WITH THIS ASAP . Where do the conversion factors from the mole ratios come from?

What example can you think of that describes what a limiting reactant is.

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

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 diagram shows the correct way to represent an ionic compound of magnesium oxide?