You are here


For each of the following atomic transitions, state whether the transition is allowed or forbidden, and why:

  1. 4p $\rightarrow$ 3p;
  2. 3p $\rightarrow$ 1s;
  3. 4d $\rightarrow$ 2d;
  4. 5d $\rightarrow$ 3s;
  5. 4s $\rightarrow$ 2p.

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 
  1. forbidden
  2. allowed
  3. forbidden
  4. forbidden
  5. allowed

Giancoli 7th Edition, Chapter 28, Problem 30


Chapter 28, Problem 30 is solved.

View sample solution