Question

What is the electronic configuration of astatine?

Answer 1

Well, astatine is Group 17 in the halogen group.....

Explanation:

This is very rare element, with an electronic structure of `[Xe]4f^14 5d^(10)6s^2 6p^5`. The element thus has the same electronic structure as the higher halogens. Probably the material is too rare for chemists to investigate its reactivity definitively.