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UPSC Combined Geo-Scientist

Chemist

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

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2025 · Paper I, General Studies · Q27 of 120

Geo-Scientist Prelims 2025 General Studies Q27: Which one of the following properties of an element was considered…

QuestionPeriodic table

Which one of the following properties of an element was considered by Mendeleev in order to form his Periodic Table?

  1. (a) Atomic volume
  2. (b) Atomic mass
  3. (c) Atomic number
  4. (d) Vapour density

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