# The number of elements in the fourth period of the periodic table is

$\begin{array}{1 1}8\\18\\32\\64\end{array}$

## 1 Answer

Answer : 18
Fourth period involves the filling of 4s,3d and 4p orbitals.Thus,the number of elements in this period will be 2+10+6=18
answered Jul 25, 2014

1 answer

1 answer

1 answer

1 answer

1 answer

1 answer

1 answer