What is the relationship between the number of period and principal quantum number?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

The main energy shell of the electrons is given by the principal quantum number. Each period in the periodic table begins with the filling of new energy shell. The number of period also states the principal quantum number.

Answered by  | 4th Jun, 2014, 03:23: PM