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20201109初三化学(人教版)水的组成

视频地址：https://video.cache.bdschool.cn/vd/361a4ab56450750e5091dfc0d1cce85d.mp4
附件： 20201109初三化学(人教版)水的组成-1教学设计.docx
附件： 20201109初三化学(人教版)水的组成-2PPT.pptx
附件： 20201109初三化学(人教版)水的组成-3任务单.docx
附件： 20201109初三化学(人教版)水的组成-4练习题.docx

16 views Jul 15, 2021

20201110初三化学(北京版)第5章化学元素与物质组成的表示第二节物质组成的表示-化学式（2） 20201112初三化学(人教版)化学式与化合价(第二课时)

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