Learning objective

Determine the formula of a simple compound based on the relative quantities of atoms shown in a model or diagram.

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

Exam focus

Cambridge IGCSE ChemistrySubject contentCore content

Study support

Understand this objective

Quick explanation

This point belongs to Formulae, especially Formulae outcomes.
You need to be able to determine the formula of a simple compound based on the relative quantities of atoms shown in a model or diagram.
The key ideas to know are Determine and Distinguish.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DetermineDistinguish

Why it matters

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

Revision tools

Flashcards10 linked cards

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Practice Questions7 linked questions

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Paper 3Theory (Core)1 marks

Description

The model illustrates the arrangement of atoms in a water molecule.

a
State the formula of the compound based on the model.
Your answer
Aim for approximately 1 distinct marking point.
[1]

Revision notestopic notes

Open the full topic revision notes when you are ready to review this objective in context.

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