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Chemistry tutorial-Ch7-1-Formation of ions
Chemistry tutorial-Ch6-2-Groups I, II, VII and 0 elements
Chemistry tutorial-Ch6-1-The Periodic Table
Chemistry tutorial-Ch5-2-Isotopes, relative atomic masses and electronic structures
Chemistry tutorial-Ch5-1-Classification of elements and structure and an atom
Chemistry tutorial-Ch4-1-Rocks and minerals
Chemistry tutorial-Ch3-1-The ocean
Chemistry tutorial-Ch2-1-The atmosphere
Chemistry tutorial-Ch1-1-Fundamentals of Chemistry
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