The four visible colors emitted by hydrogen atoms are produced by ...

[casperchen82]

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

[yasmina]

Answer to Question 1

C

Answer to Question 2

A

[casperchen82]

Excellent

[Mochi]

Gracias!