It is estimated that there is no more than 30 grams of this element in the earth's crust at any one time.

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Physics

Schultz

11 August, 21:04

It is estimated that there is no more than 30 grams of this element in the earth's crust at any one time.

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Jakob Gill · Answer 1

Astatine is the limited element found in the Earth's crust. This element is the rarest one found in the crust and it is radioactive. It is named after the Greek word "astatos" which means unstable. The first acknowledgement of it, came in 1940, which was when it was declared.