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一、以元素周期表为载体考查对碳族元素性质的递变规律、碳族元素的共性等的掌握情况例1(1)在元素周期表中,下列有关碳族
First, the use of the periodic table as a carrier to study the characteristics of the carbon family elements of the law of gradual change, the common characteristics of carbon group elements, etc. Example 1 (1) In the periodic table, the following about the carbon group