举个例子,这个例子表明金属元素,第一族和第二族,与一些非金属元素,在这里,第五族,第六族,和第七族。
Here is an example that shows some very, very metallic elements, groups one and two, and some non-metallic elements over here, five, six and seven.
举个例子,这个例子表明金属元素,第一族和第二族,与一些非金属元素,在这里,第五族,第六族,和第七族。
Here is an example that shows some very, very metallic elements, groups one and two, and some non-metallic elements over here, five, six and seven.
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