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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 · 2022 · Paper II, Chemistry · Q12 of 120

Geo-Scientist Prelims 2022 Chemistry Q12: How many orbitals are there in an atom having atomic weight 23 and…

QuestionAtomic structure / electronic configuration

How many orbitals are there in an atom having atomic weight 23 and atomic number 11?

  1. (a) 14
  2. (b) 12
  3. (c) 9
  4. (d) 6

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