GK Question

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The number of protons in an atom determines its ________ number.

  1. Mass
  2. Atomic
  3. Neutron
  4. Electron

Answer: Atomic

Atomic number (Z) = proton count, defining an element's identity and position in periodic table. Mass number = protons + neutrons. Foundational concept in chemistry. [[NCERT Chemistry Class 11]]

Topic Chemistry - Atomic Structure
Exam Relevance SSC CGL, Railway JE, UPSC CAPF