PES of neon with binding energies

An example figure from the Photoelectron Spectrum generator.

The photoelectron spectrum of neon with three peaks, 1s², 2s² and 2p⁶, each labeled with its binding energy in MJ/mol — The photoelectron spectrum of neon: three peaks, 1s², 2s² and 2p⁶, with each peak’s binding energy in MJ/mol written over it. The 2p peak is three times as tall as the others because it holds six electrons, and the 1s peak is far to the left because those electrons are held most tightly.

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Answer key

Neon (Ne): 1s² 2s² 2p⁶
Peaks (MJ/mol, left to right): 1s 84.0, 2s 4.68, 2p 2.08

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