What is observed in aqueous mixture of zinc chloride and silver nitrate

Acontrol during an experiment. might change remains constant does not exist does change

Apush or pull that moves or changes and object when to objects touch

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.