Why do chemists count matter using moles? a) because a dozen was already taken
b) because atoms and molecules are too small to count one-by-one
c) because a mole represents a number small enough to count matter.
d) because chemists are lazy

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

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?