2009年山西省中考化学试题(word版含答案)
山西省2009年高中阶段教育学校招生统一考试化学部分可能用到的相对原子质量:H-1C-12N-14O-16Cl-35.5P-31Na-23一、选择题(每小题只有一个选项符合题意,请将正确的选项的字母标号填入下表相应的空格内。每小题2分,本题共20分)题号12345678910答案1、薯片等易碎食品宜采用充气袋包装,下列气体中最不适宜充入的是A、N2B、O2C、CO2D、空气2、元素周期表中铝元素的部分信息如下图所示,由此得到的结论不正确的是A、铝的原子序数是13B、铝是一种金属C、铝的相对原子质量为26.98gD、化学反应中铝失电子变成Al3+3、我国蕴藏着丰富的钨矿资源,冶炼金属钨常用白钨矿...
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