ZIMSEC O-Level Combined Science
7.2.2.5The Periodic Table and the reactivity of metals
The Periodic Table and the reactivity of metals in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic109 practice questions6 lessons
Overview
Form 4.
Learning objectives
What the syllabus expects you to be able to do.
- 7.2.2.5.1Describe the physical and chemical properties of groups I, II, VII and VIII, and the uses of halogens.
- 7.2.2.5.2Describe and write equations for the reactions of metals with air, water, steam and dilute acids.
- 7.2.2.5.3List metals in order of reactivity and predict a metal's reactivity from its position in the series.
Lessons
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Group I: the alkali metals
25 min
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Group II: magnesium, calcium and barium
25 min
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Group VII: the halogens
30 min
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The noble gases
15 min
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The Periodic Table and periodic trends
30 min
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The reactivity series and displacement reactions
35 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Exam style
Turn The Periodic Table and the reactivity of metals into a strength.
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