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



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Learning Zone - The Periodic Table of the Elements

elements and atoms Particle Theory Checkpoint 1

You may have already learnt that the Particle theory explains the different properties of solids, liquids and gases in terms of the arrangement and the energy of the particles.

An element may exist in either solid, liquid or gas state, depending on the energy of the atoms at a particular temperature. However, the type of atoms remain the same in all states.


elements and atoms Checkpoint 1

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