1. What is the frequency of green light that has a wavelength of 499 nm? (c = 3.00 x 10 m/s)

2. Which of the following sets of quantum numbers represents an electron with the highest energy in a multi-electron atom?

a. n=4, l=0, ml =0

b. n=3, l=2, ml= -1

c. n=3, l=1, ml=0

d. n=2, l=1, ml= -1

e. n=4, l=1, ml=1