How many electrons should we expect to see associated with the lowest energy peak in the photolectron spectrum of the element gallium (ga) ?

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Jaylon Santiago

Chemistry

20 December, 09:43

How many electrons should we expect to see associated with the lowest energy peak in the photolectron spectrum of the element gallium (ga) ?

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Eliana Kirk · Answer 1

The lowest energy peak for Gallium will be associated with one electron. This is because the configuration of Gallium is:

[Ar], 3d¹⁰, 4s², 4p¹

The one unpaired electron in the 4p orbital is at lower energy than the pair in the 4s orbital. Therefore, it will be released easily via the photoelectric effect.