Details

Something small enough to escape casual notice.

1 Atomic structure and the periodic table

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A simple model of the atom, symbols. relative atomic mass, electronic charge and isotopes

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Mixtures

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The development of the model of the atom

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Relative electrical charges of subatomic particles

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Size and mass of atoms

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Relative atomic mass

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Electronic structure

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Atoms, elements and compounds

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The periodic table

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The periodic table

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Development of the periodic table

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Metals and non-metals

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Group 0

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Group 1

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Group 7

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Properties of transition metals

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Comparison with Group 1 elements

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Typical properties

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