Why is the center of the earth molten iron and not heavier metals, such as gold?

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I would assume heavier molten metals would be in the center of the earth. Is it possible that the center has different molten metals on top of each other with a high concentration of iron on the outside of the core?

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Anonymous 0 Comments

Serious question: lead is farther down on the periodic table than iron, and I thought everything decayed into lead and that was it. What am I missing?

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