In ordered to be considered science, something must be a) testable & obvious b) believable & trust worthy c) testable & observable d) functional & observable

In an oxidation-reduction reaction, oxidation is what happens when a reactant

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 symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa