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2021中考化学复习方案:《第09课时 金属》复习课件(39张PPt)

ID:23488 2021年04月08日 资料纠错 有奖上传 收藏
【内容简介】1.金属和非金属、常见金属的主要性质和用途(1)会辨认常见的金属和非金属可通过颜色、状态,也可通过比较硬度、测导电性等区分金属和非金属.①大多数金属的颜色是银白色或灰色,但金为    色,铜为    色;除汞(俗称    )外,其他金属室温下都是    体. ②非金属颜色不一;在常温下,大多数非金属单质是气体,也有一些是固体,溴是唯一在常温下呈液态的非金属单质.(2)说出金属和非金属的主要物理性质差异,如导电性、导热性、金属光泽、延展性等①金属具有特殊的光泽,具有良好的导电性、导热性和延展性;②非金属大多数没有光泽、外表暗淡,导电性、导热性能均较差(石墨能导电、导热),也没有延展性.......
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    资料审核:初中化学在线

    所属专辑: 2021中考化学第一轮复习课件

    资料格式:pptx

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    文件大小:609.74KB

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    2021中考化学复习方案:《第09课时 金属》复习课件(39张PPt)