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9th Class Science Structure of the Atom Question Bank 9th CBSE Science Structure of the Atom

  • question_answer
      is an isotope of noble gas, radon. How many protons, neutrons and electrons are there in one atom of this radon isotope?

    Answer:

                      Atomic number of radon = 86 The number of protons = 86 The number of electrons = Number of protons                                              = 86 The number of neutrons = Atomic mass - Atomic number                                           = 222 - 86                                           = 136


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