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Watch Later 1:51

Chemistry tutorial-Ch7-3-Types of ions

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Chemistry tutorial-Ch7-2-Formulae of ions

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Chemistry tutorial-Ch7-1-Formation of ions

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Chemistry tutorial-Ch6-2-Groups I, II, VII and 0 elements

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Chemistry tutorial-Ch6-1-The Periodic Table

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Chemistry tutorial-Ch5-2-Isotopes, relative atomic masses and electronic structures

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Chemistry tutorial-Ch5-1-Classification of elements and structure and an atom

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Chemistry tutorial-Ch4-1-Rocks and minerals

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Chemistry tutorial-Ch3-1-The ocean

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