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)2 marks

Understanding the properties of subatomic particles is essential in chemistry.

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]

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Paper 3Theory (Core)1 marks

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]