Answer
$\therefore$ Element Indium ($\textbf In$) has the atomic number 49.
Work Step by Step
Given $[Kr]5s^24d^{10}5p^1$, but atom Number of $[Kr]$ is 36.
$\therefore$ Total atomic Number is $\textbf 49$
Element Indium ($\textbf In$) has the atomic number 49.
