Learning objective

Make predictions about the characteristics of other elements in Group I based on provided information regarding those elements.

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Cambridge IGCSE Combined ScienceThe Periodic TableSupplement content

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Quick explanation

Make predictions about the characteristics of other elements in Group I based on provided information regarding those elements

This point belongs to Group I properties, especially Group I properties outcomes.
You need to be able to make predictions about the characteristics of other elements in Group I based on provided information regarding those elements.
The key ideas to know are Predict, Consider, and Evaluate.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

PredictConsiderEvaluate

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This objective helps connect Group I properties outcomes to exam-style questions, flashcards, and revision notes for Group I properties.

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Paper 4 structured question: Group I properties

Paper 4Theory (Extended)3 marks

Description

Properties of Group I Elements

Group I elements are soft, have low melting points, and react vigorously with water.

a
Describe the general trends in reactivity and melting points of Group I elements.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Related learning objectives

Explain that the alkali metals in Group I, specifically lithium, sodium, and potassium, are relatively soft metals and identify the general trends observed as you move down the group, which include: (a) a decrease in melting point, (b) an increase in density, and (c) an increase in reactivity with water.
Group I properties outcomes

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