BPSC CCE Prelims
Periodic Table and Classification Previous Year Questions (PYQs)
Practice solved questions for Periodic Table and Classification with detailed step-by-step solutions, key insights, and trend analysis for BPSC CCE PRELIMS.
Solved Previous Year Questions
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Which of the following is the first artificially prepared element?
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.
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