[tex]\[1s^2 \, 2s^2 \, 2p^6 \, 3s^2 \, 3p^6 \, 4s^2 \, 3d^{10} \, 4p^5\][/tex]
Which element is this?
\begin{tabular}{|l|}
\hline
fluorine [tex]\((F)\)[/tex] \\
bromine [tex]\((Br)\)[/tex] \\
chlorine [tex]\((Cl)\)[/tex] \\
krypton [tex]\((Kr)\)[/tex] \\
\hline
\end{tabular}