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Structure of the Atom — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
Question
............... of an element are the atoms of same element having same atomic number but different mass number.
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Answer

  1. Isotope
Explanation:
Isotopes are atoms that have the same atomic number but different mass numbers.

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