CAIE A-Level Chemistry AS 1.4.7 The Electronic Configurations of Elements Questions

Practise deducing electronic configurations, group numbers and chemical behaviour from successive ionisation-energy values and their characteristic jumps.

Exam points

Deduce the electronic configurations of elements from successive ionisation-energy data, including group number and reactivity implications.

[Maximum number: 1]

The fifth to eighth ionisation energies of four elements in Period 3 of the Periodic Table are shown.

Which row refers to chlorine?

fifth

sixth

seventh

eighth

6280

21200

25900

30500

6990

8490

27100

31700

6540

9330

11000

33600

7240

8790

12000

13800

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CAIE A-Level Chemistry AS 1.4.7 The Electronic Configurations of Elements Questions question 1