Because it usually exists in a metallic state, it was preferentially incorporated in Earth's core as the planet cooled and consolidated.
因为它通常以金属的状态存在，并且在地球的冷却和固结的过程中，会优先合并到地核中。
While Pierre Curie devoted himself chiefly to the physical study of the new radiations, Marie Curie struggled to obtain pure radium in the metallic state.
当皮埃尔·居里主要致力于新放射物的物理研究时，玛丽·居里却在努力提取金属态的纯镭。
XPS study indicates that gold is in metallic state.
XPS研究表明金处于金属态。
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