Question

On moving from left to right in a given period,
the number of shells remains the same. For
example, in the 2nd period, the number of shells
remains two, ie., equal to the number of the period.
Similarly in the third period the number of shells
remains three and so on...an yone.. on.. frm flwing​

Answer 1

on moving from left to right in a period no of cells is increasing