Rank the outermost electrons in Na (Z = 11), Mg (Z = 12)

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

Problem

Rank the outermost electrons in Na (Z = 11), Mg (Z = 12), and Al (Z = 13) in order of increasing effective nuclear charge. Provide only the correct sequence of elements.

Related theory

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

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