A photoelectron spectrum of neutral element X displays four distinct peaks at binding energies of 104 MJ/mol, 6.84 MJ/mol, 3.67 MJ/mol, and 0.50 MJ/mol, with relative peak areas of 2 : 2 : 6 : 1, respectively. If element Y has an atomic number exactly one unit greater than element X, which statement correctly predicts the differences observed in the photoelectron spectrum of element Y compared to element X?

A) All corresponding peaks shift to lower binding energies because greater electron shielding weakens the effective nuclear charge.

B) The spectrum exhibits five distinct peaks because the additional electron initiates the filling of the 3p subshell.

C) The lowest binding energy peak shifts to a higher energy and increases in area to match the area of the 1s peak.

D) The highest binding energy peak doubles in area because the added nuclear charge primarily compresses the 1s orbital.

Photoelectron spectroscopy Transitional Reasoning Download PDF

Chemistry · Atomic Structure · Chemistry · Electrons in Atoms

1 Chemistry practice questions on Photoelectron spectroscopy. Questions that build towards applied reasoning.

Atomic Structure · Chemistry

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