What could be a third quantum number of a 2p3 electron in phosphorus, 152252p 3s23p3?
A. m = -1
B. m = 3
c. m = 2
D. m = -2

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.