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  9. Q212

RRB Junior Engineer / DMS / CMA 2019 · Question 212 of 3719

The number of protons in an atom of an element is equal to its?

  1. AEquivalent weight
  2. BAtomic weight
  3. CElectron affinity
  4. DAtomic numberCorrect

Answer: D. Atomic number

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (1-June-2019 Shift 1) — cracku.in solved paper with answer key · reliable-secondary

← Q211View full paper (3719 questions)Q213 →

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