Which of the following is the first artificially prepared element?
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Correct Answer: Option B
Detailed Explanation:
Technetium (Tc) is the first artificially prepared element, synthesized in 1937 by Carlo Perrier and Emilio Segrè by bombarding molybdenum with deuterons in a cyclotron.
Tellurium (Te), Thorium (Th), and Thallium (Tl) are all naturally occurring elements found in Earth's crust.
Question 1 of 1 Periodic Table and Classification
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