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SSC CGL 2020 PYQ — Question 29

SSC CGL - 7th March 2020 Shift 3 • General Awareness • Q29

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Name the densest stable element known on earth.

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Correct answer: C

Explanation

The correct answer is option 3 i.e. Osmium.

  • Osmium is a chemical element with the symbol Os and atomic number 76.
  • It is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores.
  • It is the densest naturally occurring element, with an experimentally measured (using x-ray crystallography) density of 22.597 g/cm3.