A-LevelChemistryChemical periodicity9701/12 · Oct/Nov 2015 · Q151 Mark

Use of the Data Booklet is relevant to this question. Which row correctly compares the electrical conductivity and first ionisation energy of magnesium and aluminium?

Ahigher electrical conductivity: aluminium, higher first ionisation energy: aluminium

Bhigher electrical conductivity: aluminium, higher first ionisation energy: magnesium

Chigher electrical conductivity: magnesium, higher first ionisation energy: aluminium

Dhigher electrical conductivity: magnesium, higher first ionisation energy: magnesium

✓ Correct answer

B: higher electrical conductivity: aluminium, higher first ionisation energy: magnesium

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Topic: Chemical periodicity, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2015 Paper 1 Variant 2, question 15.

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