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Watch Later 3:26

Chemistry tutorial F3_Chapter6_2_Group1 and Group2

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Chemistry tutorial F3_Chapter6_1_Patterns in Periodic Table

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Chemistry tutorial F3_Chapter5_3_Arrangement of electrons in atom

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Chemistry tutorial F3_Chapter5_2_Atom and its structure

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Chemistry tutorial F3_Chapter5_1_Classification of elements

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F.1_第9.2D章_放大及縮小

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F.1_第9.2C章_旋轉

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F.1_第9.2B章_反射

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F.1_第9.2A章_平移

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