富集在海水中的元素--氯(学案)

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1、富集在海水中的元素---氯为什么自来水不能直接饮用？FOR：_______________________________________________________________1、氯的原子结构示意图_________：最外层为________个电子，容易电子而达到稳定结构，表现出很强的__________性，所以氯在自然界中以化合态存在。2、氯气是______原子分子物理性质：_______________________________________________________________

2、_______液氯和氯水的区别：_____________________________________________________化学性质：①　与金属的反应________________________________________________________________________________________________________________________________________________________________________________

3、_____________________________________②　与非金属的反应______________________________________________________________________________________________________________________________________________燃烧的条件：____________________________________________________________③　与水

4、的反应_______________________________________________________________________④　与碱的反应______________________________________________________________________________________________________________________________________________3、氯水的性质氯水里的微粒：分子___________________

5、___；离子________________________________有现象到本质：①　氯水的颜色__________，原因是：__________________________________________②　向氯水中滴加硝酸酸化的硝酸银溶液，现象为______________，原因是_________________________________________________________________________________③　向氯水中加石蕊试液，看到的现象是__________

6、______，原因是_______________________________________________________________________________________√久置的氯水的成分为___________，原因是（用方程式说明）_______________________所以氯水应该保存在_____________________。4、Cl-的检验__________________________________________________________________

7、__________________________________________________________________________________________________________________________________________________________________5、氯气的实验室制法①　原理：_________________________________________________________________②　装置：发生装置_______

8、_________________________________________________________装置______________________________________________________________装置_______________________________________________________________装置______