1.1 Explanation (Video)

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    1.2 Explanation Sheet on Lesson (1)

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    1.4 Quiz ] on Unit (1) Lesson (1) ]

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    2.1 Explanation (Video ) Lesson (2)

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    2.2 Explanation (Sheet ) Lesson (2)

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    2.4 Quiz on Unit (1) Lesson (2)

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    3.1 Explanation (Video ) Lesson (3)

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    3.2 Explanation ( Sheet ) Lesson (3)

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    3.4 Quiz on Unit (1) Lesson (3)

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    4.1 Explanation (Video ) Lesson (4)

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    4.2 Explanation (Sheet ) Lesson (4)

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    4.3 Quiz on Unit (1) Lesson (4)

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    5.0 Quiz on Unit (1) Atomic structure

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