Elements have been discovered with up to energy levels. a)5 b)6 c)7 d)8

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

What is a property of a double replacement reaction

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?