• In the periodic table of elements, each element has its own place and number.

    周期表中,各个元素都有自己

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  • The structure of the periodic table appeared to limit the number of possible elements.

    元素周期表结构似乎限制潜在元素的数量

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  • Pure metals are elements which come from a particular area of the periodic table.

    金属是在元素周期表中占据特定位置元素。

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  • Pure metals are elements which come from a particular area of the periodic table.

    金属是在元素周期表中占据特定位置元素。

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