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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 · 2023 · Paper II, Chemistry · Q21 of 120

Geo-Scientist Prelims 2023 Chemistry Q21: The coordination numbers for the elements in ccp, bcc and hcp…

QuestionSolid state / packing

The coordination numbers for the elements in ccp, bcc and hcp packing are :

  1. (a) 6, 8 and 12 respectively
  2. (b) 12, 8 and 12 respectively
  3. (c) 12, 8 and 6 respectively
  4. (d) 8, 12 and 6 respectively

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