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Table of Contents Elements & Atoms
Particle Theory
Checkpoint 1
Periodic Table
Checkpoint 2
Chemical Symbols
Checkpoint 3
Checkpoint 4
Checkpoint 5

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Learning Zone - The Periodic Table of the Elements

Checkpoint 3 Chemical Compounds compounds and elements

Most materials are made up of atoms of two or more different elements joined together in a chemical reaction. These materials are called compounds.

When elements join together to make compounds, their different atoms ‘glue’ to each other. We say that atoms join together by making chemical bonds (indicated by arrow).

Checkpoint 3 Compounds and elements


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