Cambridge IGCSE Combined Science practice

Paper 3 structured question: Atomic structure and the Periodic Table

Try the question first, then check the answer and practise the same topic again.

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Paper

Marks

Topic

Atomic structure and the Periodic Table

Exam-style question

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Paper 3Theory (Core)2 marks

Electron configuration in the periodic table

Description

In the periodic table, elements are arranged in groups and periods based on their electron configurations.

a
Describe the relationship between group number and outer-shell electrons for Groups I to VII.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)3 marks

Description

Noble gases are known for their stability and lack of reactivity due to their electron configuration.

a
Explain why noble gases are unreactive.
Your answer
Aim for approximately 3 distinct marking points.
[3]