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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
What is the mass number of ${ }_{17} \mathrm{C} 1^{35}$?
  • A
    $21$
  • B
    $25$
  • C
    $39$
  • ✓
    $35$
✓

Answer

Correct option: D.
$35$
$35$

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