Answer to the correct mathematical figure and then round the answer to the correct number of sof figs for the final answer. write in Scientific Notation 0.0154kg/88mL

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

How many neutrons does an element have if its atomic number is 50 and its mass number is 166