Which element or ion listed below has the electron configuration 1s²2s²2p⁶?

Question

Quizplus · Accepted Answer

The given electron configuration is a non-standard representation but appears to describe a noble gas configuration, which is a full outer shell. All the options (A, B, C) after gaining or losing electrons would achieve a noble gas configuration similar to Neon (Ne), which is option D. Thus, all these ions or elements would have the same electron configuration as Ne when they achieve a stable state.

Which Element or Ion Listed Below Has the Electron Configuration