Cambridge IGCSE Physics practice

Paper 3 structured question: The nucleus

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Paper

Marks

Topic

The nucleus

Exam-style question

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Paper 3Theory (Core)3 marks

Nuclear stability

Description

The nucleus consists of protons and neutrons, which play a crucial role in the stability of an atom.

a
Describe the role of neutrons in the nucleus.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)1 marks

Description

The nucleus of an atom contains protons and neutrons, which are held together by the strong nuclear force.

a
State the two types of particles found in the nucleus.
Your answer
Aim for approximately 1 distinct marking point.
[1]