Photoelectron spectrum of calcium on a broken axis, in eV

An example figure from the Photoelectron Spectrum generator.

The photoelectron spectrum of calcium drawn as bars on a broken binding energy axis in eV, with six sublevel labels — The photoelectron spectrum of calcium, 1s² 2s² 2p⁶ 3s² 3p⁶ 4s², drawn as bars. The binding energy axis, in electronvolts, is broken into a linear stretch for each group of nearby peaks, with break marks between them, so the core and valence peaks can all be read.

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Answer key

Calcium (Ca): 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²
Peaks (eV, left to right): 1s 4,042, 2s 443, 2p 352, 3s 48.2, 3p 30.1, 4s 6.11

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