An unknown element has the following first three ionization energies (in kJ·mol⁻¹):…

CHEMISTRY · Subjective · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

An unknown element has the following first three ionization energies (in kJ·mol⁻¹): IE₁ = 738 IE₂ = 1451 IE₃ = 7730 Explain, in one or two sentences, why the increase from IE₂ to IE₃ is far larger than the increase from IE₁ to IE₂.

Related theory

Ionisation enthalpy
Classification of Elements and Periodicity in Properties
Ionisation potential
Electron configurations
Periodic Trends in Physical Properties

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