One is a compound, the other an element, yet both galena and native lead are minerals.
方铅矿和自然铅,虽然一种是由化合物构成,另一种是由单元素构成,但它们二者都是矿物。
Native element: Any of the 19 chemical elements that occur AS minerals and are found in nature uncombined with other elements.
自然元素:以自然状态存在于矿物中,不与其它元素结合的十九种化学元素。
Native element: Any of the 19 chemical elements that occur AS minerals and are found in nature uncombined with other elements.
自然元素:以自然状态存在于矿物中,不与其它元素结合的十九种化学元素。
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