What cassification describes the element with the electron configeration Ar 4s2 3d10 4p5?

The element with the electron configuration Ar 4s² 3d¹⁰ 4p⁵ is classified as a halogen. Specifically, it is iodine (I), which is in group 17 of the Periodic Table. Halogens are known for having seven valence electrons, which makes them highly reactive, particularly with alkali and alkaline earth metals.