Describe how the presence of additional inner-shell electrons in potassium affects…

CHEMISTRY · Subjective · A Level · Chemistry · Periodicity and periodic trends · Periodicity and periodic trends

Problem

Describe how the presence of additional inner-shell electrons in potassium affects the attraction between the nucleus and its 4s valence electron compared with that in sodium.

Related theory

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

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