Q. Astatine, recently seen in the news, is which of the following?

[A] A newly discovered exoplanet

[B] A synthetic polymer used in space missions

[C] A rare and highly radioactive element

[D] A type of virus affecting marine organisms

Answer: C
Notes:

Explanation:  Astatine is a rare and highly radioactive element with the atomic number 85. It belongs to the halogen group in the periodic table and is one of the rarest naturally occurring elements on Earth

Source- TH

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