issb general knowledge MCQ #449

Atomic number represents number of?

issb general knowledge MCQ #449

  1. Question 1

    Q1. Atomic number represents number of?

    • A) Neutrons
    • B) Protons
    • C) Electrons only in ion
    • D) Nucleons total

    Answer: Protons

    Explanation: Atomic number equals the number of protons in the nucleus. This fact often appears in ISSB academic and general knowledge sections.