How to Make Sense of the SEC G3 Chemistry Syllabus in Singapore

The SEC G3 Chemistry syllabus (K324) is the official SEAB document that sets out what students in Singapore are examined on in G3 Chemistry. This guide explains how the syllabus is organised, how the three papers work, including the practical paper, what the examiners look for and how families can use the document well.

Using this exam specification reference: Use this concise K324 paper reference to confirm the examination components and laboratory skills. The primary Chemistry guide covers the particle model, calculations, reactions and sustainable-world questions in greater teaching depth. Confirm the correct code on the school timetable before selecting past papers or interpreting marks.

The K324 syllabus is official.

It is precise, detailed and long.

Many families do not read it closely.

Once you know how it is organised, it becomes a useful map.

This guide is useful for families who need to:

understand the three K324 papers and their weightings;
see how practical skills are assessed;
check the twelve topics across three sections; or
know what is printed with each paper, such as the Periodic Table.

At eduKateSG, we start from the official syllabus document whenever we plan lessons, and this guide applies the same habit to Chemistry.

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SEC G3 Chemistry Syllabus at a Glance

Syllabus code: K324
Subject code for reference (2026 and earlier): 6092, as shown on the SEAB listing page
Who it is for: school candidates taking Chemistry at G3 level
Examination year of this document: 2027
Papers: three, and candidates must sit all of them
Total time: 4 hours 35 minutes across the three papers
Weightings: 30% (Paper 1), 50% (Paper 2) and 20% (Paper 3)
Practical: Paper 3 is a formal practical test
Calculator: an approved calculator may be used in all papers
Printed with the papers: the Periodic Table in Papers 1 and 2, and the Notes for Qualitative Analysis in Paper 3
Where to download: SEAB 2027 SEC G3 syllabuses page

This guide is based on the SEAB syllabus document examined in 2027. SEAB can update syllabuses, so always check the latest version on the SEAB website.

What the Syllabus Is For

The syllabus puts less emphasis on factual material and more on understanding and applying scientific concepts and principles.

It aims to build skills of long-term value, with students applying investigative and problem-solving skills.

Its three aims are to:

give all students a worthwhile education, whether or not they study science further;
build understanding and skills linked to the practices of science, including a way of thinking to solve problems; and
develop values and attitudes such as curiosity, integrity, objectivity and healthy scepticism.

The document also names three Practices of Science and five disciplinary ideas of Chemistry, such as the conservation of matter and energy.

It does not describe what comes before or after K324. On SEAB’s 2027 G3 list, it sits beside the combined Science syllabuses that include chemistry, such as Science (Physics, Chemistry), K326.

How the Examination Is Structured

Candidates must sit all three papers.

Paper 1: Multiple Choice

Duration: 1 hour
Marks: 40
Weighting: 30%
Format: 40 compulsory multiple-choice items
Printed with the paper: a copy of the Periodic Table of Elements

Paper 2: Structured and Free Response

Duration: 1 hour 45 minutes
Marks: 80
Weighting: 50%
Section A: 70 marks of compulsory structured questions, the last two carrying 20 marks between them, one of which is a data-based question worth 8 to 12 marks
Section B: 10 marks, with a choice of one question from two
Printed with the paper: a copy of the Periodic Table of Elements

Paper 3: Practical

Duration: 1 hour 50 minutes
Marks: 40
Weighting: 20%
Format: a variable number of compulsory practical questions
Printed with the paper: the Notes for Qualitative Analysis

Practical skills are assessed in Paper 3, which the syllabus calls a formal practical test. One or more questions may assess planning, and some data-analysis questions may not need apparatus.

Candidates may not refer to notebooks, textbooks or any other information during the practical assessment.

In practice, the two theory papers carry 80% of the weighting and the practical paper carries 20%.

What the Syllabus Covers

The content is organised into three sections and twelve topics.

Matter: Structures and Properties

experimental chemistry, including experimental design and methods of purification and analysis;
the particulate nature of matter, including kinetic particle theory and atomic structure; and
chemical bonding and structure, including ionic, covalent and metallic bonding.

Chemical Reactions

chemical calculations, including formulae, equations and the mole concept;
acid-base chemistry, including acids, bases, salts and ammonia;
qualitative analysis;
redox chemistry, including electrochemistry;
patterns in the Periodic Table, including group properties, transition elements and the reactivity series;
chemical energetics; and
rate of reactions.

Chemistry in a Sustainable World

organic chemistry, including fuels, hydrocarbons, alcohols, carboxylic acids, esters and polymers; and
maintaining air quality.

The syllabus calls the five disciplinary ideas, such as how structure determines properties and the conservation of matter and energy, overarching ideas for explaining and solving problems.

What the Examiners Are Looking For

The syllabus groups its assessment objectives into three areas.

A: Knowledge with Understanding

Phenomena, laws, definitions and concepts, scientific vocabulary and conventions, apparatus and techniques, quantities and applications. This is about 45% of the theory marks, with about 15% for recall.

B: Handling Information and Solving Problems

Selecting and presenting information, translating between forms, handling data, finding patterns, explaining, predicting and solving problems. This is about 55% of the theory marks.

C: Experimental Skills and Investigations

Following instructions, using apparatus, recording and interpreting results, planning investigations and evaluating methods. These are assessed in Paper 3, where planning carries 15% and the other practical skill areas carry 85%.

More than half of the theory marks go to using information, which matches the syllabus’s lighter emphasis on factual material.

How to Read the Syllabus Document

The document is long, but each part has one job.

Introduction and Aims: the focus on understanding over factual recall, and the three aims
Practices of Science and Disciplinary Ideas: the big ideas that link the topics
Assessment Objectives: what is tested, with approximate weightings
Scheme of Assessment: the three papers, their sections, timings, marks and what is printed with each
Content Structure: one table of three sections and twelve topics, useful as a checklist
Subject Content: the content and learning outcomes for each topic, the most detailed part
Summary of Key Quantities, Symbols and Units: a guide to the more important quantities, not a complete list
Practical Assessment: the skill areas, practical techniques, apparatus list and reagents
Notes for Qualitative Analysis: the tests for anions, aqueous cations and gases
The Periodic Table of Elements: a copy is also printed in Papers 1 and 2
Mathematical Requirements: a single list of the mathematical skills expected
Glossary of Terms: what command words such as “Describe”, “Explain” and “Suggest” ask for
Special Note: rules on nomenclature, units, significant figures and calculators

Common Misunderstandings

“Chemistry is mostly memorising facts.”

The introduction says the syllabus places less emphasis on factual material and more on understanding and applying concepts. About 15% of the theory marks are for recall.

“The qualitative analysis notes are given in every paper.”

They are printed as part of Paper 3. Papers 1 and 2 come with a copy of the Periodic Table, and the syllabus does not say the qualitative analysis notes are included there.

“The practical paper is too small to worry about.”

Paper 3 is worth 20% of the total. The syllabus also recommends that schemes of work set aside time to develop practical skills.

“Units and structural formulae are minor details.”

The Special Note says that misusing units or significant figures is liable to be penalised, and that full structural formulae should show the relative placing of atoms and the number of bonds between them.

How Students Can Use the Syllabus

1. Turn the content structure into a checklist

Rate your confidence in each of the twelve topics and their sub-topics.

2. Read the learning outcomes

They show what you should be able to do in each topic, not just what to read.

3. Practise with the printed resources

Use the Periodic Table and the Notes for Qualitative Analysis during practice, so they feel familiar.

4. Learn the command words

Use the glossary to see what each instruction word asks for.

5. Practise practical skills deliberately

Planning, recording, presenting data and evaluating are all described in the Practical Assessment section.

6. Check units, names and structures

Follow the Special Note on units, significant figures and full structural formulae.

How Parents Can Help

download the syllabus and keep a copy at home;
ask your child to show you the topic checklist now and then;
ask how practical work is going, not only about test scores;
make sure your child has the calculator they will use in the examination;
encourage short, regular revision across all three sections; and
keep conversations about results calm and specific.

How eduKateSG Uses the Chemistry Syllabus

we read the official SEAB document first, rather than relying on second-hand summaries;
we help families use the content structure as a simple checklist of the twelve topics;
we use the syllabus’s own objectives to ask whether a difficulty is about recall, handling information or practical skills;
we note where Chemistry relies on mathematical skills, such as in chemical calculations; and
we are honest about whether our classes are the right fit for a student’s Chemistry needs.

Getting Support

Every student starts from a different place.

Speak with us about your child’s level, subject and recent results. If our 3-pax classes are the right fit, we will explain how they work. If they are not, we will say so honestly.

Format: Premium 3-pax small-group tutorials, 1.5 hours weekly

The usual first step is a parent–student consultation.

What Parents Can Bring to the Consultation

Useful materials include:

a copy of the syllabus, or its code;
recent test papers and weighted assessments;
the latest report book;
the school’s assessment schedule; and
examples of questions the student finds difficult.

We are not only looking at the score.

We are looking for patterns.

Frequently Asked Questions

How many papers are there in SEC G3 Chemistry?

There are three compulsory papers: Paper 1 Multiple Choice (1 hour, 30%), Paper 2 Structured and Free Response (1 hour 45 minutes, 50%) and Paper 3 Practical (1 hour 50 minutes, 20%).

Is there a practical examination in G3 Chemistry?

Yes. Paper 3 is a formal practical test worth 20%, with a variable number of compulsory practical questions. The Notes for Qualitative Analysis are printed as part of this paper.

Is the Periodic Table provided in the examination?

Yes. A copy of the Periodic Table of Elements is printed as part of Paper 1 and Paper 2.

Is a calculator allowed in K324?

Yes. The syllabus states that an approved calculator may be used in all papers.

Is K324 the same as the earlier Chemistry syllabus 6092?

The SEAB listing page shows 6092 as the subject code for reference for 2026 and earlier. The K324 document does not describe any changes, so use the 2027 PDF as your reference.

Where do I download the K324 syllabus?

It is on the SEAB page for 2027 SEC G3 syllabuses. Check that you are using the latest version.

Helpful Reading

The eduKateSG Syllabus Series

Plain-language guides to SEAB syllabuses, from PSLE to A-Level. More guides are being added.

Primary (PSLE)

Secondary (SEC)

Junior College (A-Level)

SEC G3 Chemistry Syllabus: From Particles to Practicals

The syllabus is not a textbook.

It is a map.

Three papers. Three sections. Twelve topics.

Understanding counts for more than memorised facts.

Read it once properly, and every topic has a place.

Then practise steadily, with care over units, names and working.

Arrange a Parent–Student Consultation

Speak with us about your child’s level, recent results, learning gaps and the dates ahead.

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The three G3 separate Science papers compared

Physics, Chemistry and Biology share the 30/50/20 paper structure but their practical tasks and knowledge differ. Read the 2027 SEC syllabus comparison.

How to Make Sense of the SEC G3 Chemistry Syllabus in Singapore | K324 Papers, Topics and Marks