Learning objective

Explain the composition of an atom, highlighting the presence of a positively charged nucleus and negatively charged electrons that orbit around it.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

Cambridge IGCSE PhysicsNuclear physicsCore content

Study support

Understand this objective

Quick explanation

This point belongs to The atom, especially The atom outcomes.
You need to be able to explain the composition of an atom, highlighting the presence of a positively charged nucleus and negatively charged electrons that orbit around it.
The key ideas to know are Describe, Explain, and Identify.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplainIdentify

Why it matters

This objective helps connect The atom outcomes to exam-style questions, flashcards, and revision notes for The atom.

Revision tools

Flashcards10 linked cards

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Practice Questions7 linked questions

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0 of 5 attempted

Paper 3Theory (Core)1 marks

Description

An atom consists of a nucleus surrounded by electrons. The nucleus contains protons and neutrons, while electrons orbit the nucleus.

a
State the components of an atom.
Your answer
Aim for approximately 1 distinct marking point.
[1]

Revision notestopic notes

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