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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper II covers chemistry.

UPSC Combined Geo-Scientist, Prelims · 2021 · Paper II, Chemistry · Q2 of 120

Geo-Scientist Prelims 2021 Chemistry Q2: What fraction of the total number of electrons is in the…

QuestionAtomic structure / electronic configuration

What fraction of the total number of electrons is in the p-sublevels in Iron (Fe)?

  1. (a) 50%
  2. (b) 49%
  3. (c) 46.15%
  4. (d) 47.82%

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