CAIE A-Level Chemistry AS 1.4.3 The Trends in Ionisation Energies Across Questions

Practise identifying and explaining ionisation-energy trends across periods and down groups, using nuclear charge, shielding, atomic radius and subshell effects.

Exam points

Identify and explain trends in first ionisation energies across periods and down groups, including deviations from general patterns.

[Maximum number: 1]

This question is about the first ionisation energies of magnesium and neon.
Which row is correct?

from Mg

from Ne

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CAIE A-Level Chemistry AS 1.4.3 The Trends in Ionisation Energies Across Questions question 1