Cambridge IGCSE Chemistry practice

Paper 3 structured question: Arrangement of elements

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Paper

Marks

Topic

Arrangement of elements

Exam-style question

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Paper 3Theory (Core)3 marks

Reactivity trends in Group 1 elements.

Description

As you move down Group 1, the reactivity of alkali metals increases significantly.

a
Explain why the reactivity of alkali metals increases down the group.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)1 marks

Description

Elements in the same group of the Periodic Table share similar chemical properties due to their electron arrangements.

a
State the reason why elements in the same group have similar chemical properties.
Your answer
Aim for approximately 1 distinct marking point.
[1]