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Years 7 to 10 Chemistry

Levels 7 & 8


Mixtures, including solutions, contain a combination of pure substances that can be separated using a range of techniques.

The properties of the different states of matter can be explained in terms of the motion and arrangement of particles.

Differences between elements, compounds and mixtures can be described by using a particle model.

Chemical change involves substances reacting to form new substances.

Levels 9 & 10

All matter is made of atoms which are composed of protons, neutrons and electrons; natural radioactivity arises from the decay of nuclei in atoms.

The atomic structure and properties of elements are used to organise them in the periodic table.

Chemical reactions involve rearranging atoms to form new substances; during a chemical reaction mass is not created or destroyed.

Different types of chemical reactions are used to produce a range of products and can occur at different rates; chemical reactions may be represented by balanced chemical equations.

Chemical reactions, including combustion and the reactions of acids, are important in both non-living and living systems and involve energy transfer.

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