Which of the following represents an excited state of an atom? — Periodic Table and Periodicity Chemistry Question

💡 Solution & Explanation

Normally, the electronic configuration of atom is filled as per the following figure- Thus, the general electronic configuration is given by- 2 2 6 0 1 2 2 3 s s p s But in excited state is- 2 2 5 1 1 2 2 3 s s p s Thus, the correct option is (d) 2 2 5 1 1 2 2 3 s s p s