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State PCS PYQPrelims 2024

BPSC – Combined Competitive Examination · Question 63

Which of the following is the first artificially prepared element?

  1. Te (Tellurium)
  2. Tc (Technetium)
  3. Th (Thorium)
  4. Tl (Thallium)
Show answer & explanation

Answer: (B) Tc (Technetium)

Explanation

Technetium (Z = 43) was produced by Perrier and Segrè in 1937; its name means 'artificial'.

  • (A) Incorrect

    Wrong: a naturally occurring element.

  • (B) Correct

    Correct: technetium (1937) was the first element made artificially.

  • (C) Incorrect

    Wrong: a natural radioactive element.

  • (D) Incorrect

    Wrong: a naturally occurring element.