Matter & Atoms

If 13.6 eV energy is required to ionize the hydrogen atom, then the energy required to remove an electron from n = 2 is

  1. 0 eV
  2. 3.4 eV
  3. 6.8 eV
  4. 10.2 eV

Answer

Energy required to remove electron from nth orbit is

E = - 13.6/n2

The correct option is B.