CAIE A-Level Chemistry AS 1.4.8 Periodic Table Position From Ie Data Questions

Practise using successive ionisation-energy jumps and values to deduce an element’s group, period, identity and formula relationships in the Periodic Table.

Exam points

Deduce the position, group and identity of an element in the Periodic Table using successive ionisation-energy data.

[Maximum number: 1]

Z is a compound of two elements, X and Y .
Element X shows a very large increase between its 5th and 6th ionisation energies. It has the second largest 1st ionisation energy in its group.

Element Y shows a very large increase between its 6th and 7th ionisation energies. It has the largest 1st ionisation energy in its group.

What is compound Z ?

$\mathrm{NO}_{2}$

$\mathrm{PCl}_{5}$

$\mathrm{P}_{4} \mathrm{O}_{10}$

$\mathrm{SF}_{6}$

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CAIE A-Level Chemistry AS 1.4.8 Periodic Table Position From Ie Data Questions question 1