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S4_CHEM_CH8_C3_ Prediction of the chemical formulae of a covalent substances

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S4_CHEM_CH9_E2_ Giant metallic structures

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S4_CHEM_CH8_C1_ Structural formula and molecular formula

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S4_CHEM_CH8_C2_ Single bond, double bond and triple bond

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Longitudinal waves 2

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中一至中三普通話 - 先圈出句子中的廣州話，再把普通話的說法寫下來。

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Stationary Wave 1

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S4_CHEM_CH9_D2_ Properties of substances with simple molecular structures

YU CHUN KEUNG MEMORIAL COLLEGE