SarkariPYQ

SSC GD 2023 PYQ — Question 26

SSC GD Constable (English) - 7 Feb 2023 - Shift 2 • General Awareness • Q26

Back to paper

Identify an element that is NOT a semi-metal.

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. Caesium

  • Germanium (Ge), Boron (B), Silicon (Si), Arsenic (As), Antimony (Sb), Tellurium (Te), and Polonium (Po). From the thirteenth to the sixteenth group of the periodic table, these seven elements were categorised as metalloids.
  • The elements in this group have oxidation values ranging from +3 to -2.
  • There is no semimetal in tin (Sn).
  • Elements exhibiting the physical and chemical characteristics of both metals and non-metals are referred to as semimetals, or metalloids.