Need Chem Help!!! 4. Assume that the water stream is replaced by a stream of CCl4. Predict what would happen in each case: a. charged comb

b. PVC pipe

c. charged balloon

5. Explain your predictions.

Which characteristics can be used to differentiate star systems? check all that apply.

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.

Who discovered a pattern to the elements in 1869?