What is the electron configuration for the barium atom? A) 1s²2s²2p⁶3s²3p⁶4s² B) 1s²2s²2p⁶3s²3p⁶4s¹ C) 1s²2s²2p⁶3s²3p⁶3d¹⁰4s² D) [Xe] 6s² E) none of these

Question

Quizplus · Accepted Answer

The electron configuration for Ba is [Xe]6s2, where [Xe] represents the electron configuration of xenon, a noble gas with 54 electrons. The 6s2 portion of the configuration represents the valence electrons of the Ba atom.

What Is the Electron Configuration for the Barium Atom