What differences does chromatography rely on to separate out parts of a solution?
a
different boiling points
b
different volatilities
c
different molecular sizes

How will the emission of an alpha particle affect the atomic number of an atom

  the mississippians were considered to be  horticulturalists, which means they were

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.