Cambridge IGCSE Combined Science practice

Paper 3 structured question: Atomic structure and the Periodic Table

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Paper

Marks

Topic

Atomic structure and the Periodic Table

Exam-style question

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Paper 3Theory (Core)1 marks

Subatomic particles are fundamental to the structure of atoms.

Description

Protons, neutrons, and electrons are the three main types of subatomic particles that make up atoms. Each has distinct properties.

a
Define the relative charge of a proton.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)2 marks

Description

Protons, neutrons, and electrons have different charges and masses.

a
Describe the relative masses of protons, neutrons, and electrons.
Your answer
Aim for approximately 2 distinct marking points.
[2]