The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number =7, there will be how many permitted orbital magnetic quantum numbers allowed? a. 6 b. 7 c. 11 d. 15

What is the fate of the electrons that interact with a specimen in an electron microscope?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?