2. Questions Bank
  3. 9th Class
  4. Science
  5. Structure of the Atom

9th Class Science Structure of the Atom Question Bank Atomic Structure Conceptive Subjective Problems

  • question_answer
    If three neutrons are added to the nuclei of\[_{92}^{235}U\]the new particle will have an atomic number of (a) 89                                     (b) 95 (c) 90                                     (d) 92

    Answer:

    Addition of neutrons changes mass number but not atomic number. Hence atomic number remains same.


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