A-LevelChemistryChemical periodicity9701/12 · Feb/Mar 2016 · Q121 Mark

Consecutive elements X, Y and Z are in Period 3 of the Periodic Table. Element Y has the highest first ionisation energy and the lowest melting point of these three elements. What are the identities of X, Y and Z?

Asodium, magnesium, aluminium

Bmagnesium, aluminium, silicon

Caluminium, silicon, phosphorus

Dsilicon, phosphorus, sulfur

✓ Correct answer

D: silicon, phosphorus, sulfur

Oracle Prep sorts past-paper questions by topic, so you can drill Chemical periodicity and see which topics are most likely to come up next.

Topic: Chemical periodicity, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2016 Paper 1 Variant 2, question 12.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Which statements are correct? 1 Aluminium chloride dissolves in water to give an acidic solution. 2 Magnesium chlorid…

Which observations are made when a sample of silicon chloride, SiCl₄, is added to a beaker of water?

A sample containing x mol of Al₂Cl₆ is dissolved in water to give solution W. In order to precipitate all of the alum…

Several ores of copper contain both copper(II) carbonate and copper(II) hydroxide. This combination is called basic c…

It is possible that ores containing basic copper(II) carbonate also contain water of crystallisation. The formula of …

The following table lists the solubilities of the hydroxides and carbonates of some of the Group 2 elements, M, at 25…