CAIE IGCSE Chemistry Transition Element Properties

Practise comparing transition elements with Group I metals through physical properties, coloured compounds, variable oxidation states and catalytic behaviour.

Exam points

compare transition metals as denser, harder and higher-melting than Group I metals
identify coloured compounds and variable oxidation states as characteristic chemical properties
select a transition element or compound as a catalyst and justify the choice

Covered syllabus points

8.4.1—Transition elements as metals that 8.4.2—Transition elements as having ions

[Maximum number: 2]

Iron is a transition element. Potassium is a Group I element.

Transition elements are harder and stronger than Group I elements.

Describe how two other physical properties of transition elements are different from those of Group I elements.

1

2

[Maximum number: 1]

Some elements are shown in the order they appear in the reactivity series. The most reactive element is at the top.
> sodium calcium magnesium aluminium zinc iron hydrogen copper

Answer the questions using the list of elements. Each element may be used once, more than once or not at all.

Identify:

a metal that forms chlorides of the type $\mathrm{XCl}_{2}$ and $\mathrm{XCl}_{3}$ .

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Covered syllabus points

8.4 Transition elements question 1

8.4 Transition elements question 2