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In the earth Astatine is rarest naturally occurring element, less than 30 grams for entire crust.

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What is the second rarest element on Earth?

The second rarest element on Earth is unstable so it does not have a long life (22min.), but uranium is the rarest natural element and is the second heavist natural element. Actually, there are even rarer elements that last for less then fractions of a second. Some are so rare that they haven't even been discovered.


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What is the most rarest element in the world?

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What is the halogen in period 6?

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Why is astatine is the rarest element on the earth?

Astatine is the rarest naturally occuring element on Earth because all its isotopes are radioactive with very short half-lives. The most stable, At-210 has a half-life of 8 hours, so any astatine that forms (by radioactive decay of heavier elements) quickly decays to other elements.


What are the rarest minerals on earth?

oxegen