When naming branched chain alkanes, the names of the alkyl substituents are listed in alphabetical order true or false?

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?

Displacement is the slope of a velocity vs. time graph a. true b. false

Which statement best describes what happens when molecular compounds melt