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Watch Later 5:30

S5_化學_CH49_C2_鐵在化合物中常見的氧化態

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S5_化學_CH49_C1_過渡性金屬的可變氧化態

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S5_化學_CH49_B_過渡性金屬的有色離子

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S5_化學_CH49_A_過渡性金屬在週期表中的位置及特性

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S5_CHEM_CH48_B_ Acid-base properties of the oxides of elements from Na to Cl

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S5_CHEM_CH48_A_ Bonding and stoichiometric composition of the oxides of elements from Na to Cl

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S5_化學_CH48_B_由Na至Cl各元素氧化物的酸鹼性質

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S5_化學_CH48_A_由Na至Cl各元素氧化物的鍵合本質和計量成分

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S5_CHEM_CH47_B2_ Periodic variations of physical properties of elements(Variation in electrical conductivity)

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