Essential Chemistry is a unique collection of more than 60 interactive topics and experiments for GCSE and KS3 level Chemistry. This title is available as part of the  Focus Science Online Resource Pack. See below for sample screenshots and a list of topics.

Properties of Matter

●  The particle model
Changes of State

Atoms and Elements

●  Historical Timeline
●  Elements
●  Atomic Structure
●  Isotopes and Relative Atomic Mass


●  What is a Compound?
●  Compounds and Mixtures
●  Formula of Compounds
●  Chemical Equations

Structure & Bonding

●  Electron Shells
●  Types of Bonding
●  Properties of Ionic Compounds
●  Properties of Covalent Compound

Periodic Table

●  History
●  Periodic Table
●  Group 1
●  Group 7

Chemical Analysis

●  Tests for Gases
●  Flame Test for Metal Ions
●  Precipitation Test for Metal Ions
●  Test for Negative Ions

Acids , Bases & Indicators

●  The pH Scale and Indicators
●  Acids and Alkalis
●  pH Values
●  Neutralisation
●  Reactivity Series
●  Making Salts
●  Hazard Symbols


●  Electrolysis Introduction
●  Molten Lead Bromide
●  Sodium Chloride Solution
●  Purification of Copper
●  Electroplating

Extraction of Metals

●  Metal Ores
●  Extraction of Aluminium
●  Extraction of Iron

Rates of Reaction

●  Introduction to Rates of Reaction
●  Measuring Reaction Rates
●  Collision Theory

Energy Changes in Reactions 

●  Heat and Temperature
●  Energy Changes in Reactions
●  Reversible Reactions
●  Dynamic Equilibrium
●  Factors Affecting Equilibrium
●  The Haber Process

Organic Chemistry

● What is Organic Chemistry?
● Alkanes
● Alkenes
● Alcohols
● Carboxylic Acids
● Crude Oil and Fractional Distillation
● Cracking
●  Polymers

Chemical Caculations

●  Relative Formula Mass
●  Moles and Molar Mass
●  Calculating Mass in Reactions
●  Empirical Formula
●  Concentration of Solutions

Interactive Activities

●  pH Value Test
●  Relative Atomic Mass test
●  Name – Symbol Match
●  Match the Formula to the Name
●  Formula of Compounds
●  Balancing Equations

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Part of the Science Resource Pack

This resource and every other Focus Science title combine to form the Science Resource Pack. A single affordable school subscription provides unlimited access to all titles.  

A Unique Blend

A combination of 2D and 3D animations, video clips, photos, text and tests creates a unique and engaging ‘Focus Style’ of presentation. All created by experienced UK teachers.

Teacher and Student Use

Whether you’re looking for resources to enhance teacher presentations or something for individual study, the Focus Science Resource Pack is designed to fit the bill.

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Windows 11 Compatible
Apple Mac Compatible
Compatible with Chromebooks
Compatible with Android Tablets