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Structure of the Atom — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
Question
Nuclides having the same difference in mass number and atomic number, are known as
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Answer

  1. Isotones
Explanation:
Number of neutrons = mass number − atomic number
Number of neutrons are equal to the difference in mass number and atomic number. And species having equal number of neutrons are known as isotone.

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