Here's why:
* Electron Configuration: Radon has an electron configuration of [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶.
* 6th Energy Level: The 6s and 6p orbitals are part of the 6th energy level.
* Total Electrons: The 6s² and 6p⁶ orbitals contribute a total of 6 electrons to the 6th energy level.