Author Question: The four visible colors emitted by hydrogen atoms are produced by electrons: a. that start in the ... (Read 69 times)

casperchen82 · **on:** Jul 28, 2018

The four visible colors emitted by hydrogen atoms are produced by electrons:
a. that start in the ground state.
c. that end up in the level with n = 2.
b. that end up in the ground state.
d. that start in the level with n = 2.

Question 2

The ionization energy of the hydrogen atom is 13.6 eV. What is the wavelength of a photon having this much energy? (h = 6.63 10-34 Js, c = 3.00 108 m/s, 1 eV = 1.6 10-19 J, and 1 nm = 10-9 m)
a. 91.4 nm
c. 136 nm
b. 360 nm
d. 273 nm