How many moles of gas sample are 5.0 l container at 373k and 203kpa

Drag each tile to the correct box arrange the layers not order from oldest to youngest

What was bohr’s contribution to the planetary model

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.