The only noble gas that does not have the ns²np⁶valence electron configuration is . A) krypton B) helium C) neon D) radon E) All noble gases have the ns²np⁶valence electron configuration.

Question

Quizplus · Accepted Answer

Helium only has 2 electrons in its valence shell, which means it does not fit the electron configuration of the other noble gases.

The Only Noble Gas That Does Not Have the Ns2np6

The Only Noble Gas That Does Not Have the Ns²np⁶