Summary GCSE Chemistry basics

GCSE Chemistry: A Comprehensive Overview (UK Years 9-
11)
Introduction

This document outlines the core topics typically covered in GCSE Chemistry for students in the
UK, from Year 9 through Year 11. It aims to provide a foundational understanding of the
subject, preparing students for examinations.

Core Subject Areas

Topic 1: Atomic Structure and the Periodic Table

Atoms, elements, compounds, and mixtures
The structure of an atom: protons, neutrons, and electrons
Atomic number and mass number
Isotopes
The development of the atomic model
The Periodic Table: groups and periods, trends in properties
Electronic configuration

Topic 2: Bonding, Structure, and the Properties of Matter

Chemical bonding: ionic, covalent, and metallic
Structure and bonding of ionic compounds
Structure and bonding of covalent compounds (including giant covalent structures)
Structure and bonding of metallic substances
Properties of ionic, covalent, and metallic compounds
States of matter and changes of state

Topic 3: Quantitative Chemistry

Relative formula mass
The mole concept
Calculating masses in reactions
Concentration of solutions
Percentage yield and atom economy
Limiting reactants

Topic 4: Chemical Changes

Reactivity series of metals
Extraction of metals
Acids, bases, and salts
pH scale and indicators