Category: 14级化学

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170608-氯说课-22140836

Added by 7 年 ago

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170608-氯气说课-22140834

Added by 7 年 ago

271 Views5 Comments

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20170608-硅的说课-22140808

Added by 7 年 ago

320 Views5 Comments

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170318-溶液的形成-09140204

Added by 7 年 ago

236 Views5 Comments

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170330-氧化还原反应-22140821

Added by 7 年 ago

214 Views5 Comments

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170427-金属钠的性质-22140840

Added by 7 年 ago

178 Views5 Comments

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170427-金属钠-22140833

Added by 7 年 ago

233 Views5 Comments

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20170427-金属钠-10140609

Added by 7 年 ago

168 Views5 Comments

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170504-氧化还原反应说课-22140841

Added by 7 年 ago

173 Views5 Comments

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20170511-燃烧的条件说课-21140428

Added by 7 年 ago

168 Views5 Comments

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