Which of the following types of electromagnetic radiation has the longest wavelength? a. ultraviolet light b. microwaves c. infrared light d. visible light

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

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?

In 2002, the rare earth elements mine in mountain pass, california was closed because