Multiple Choice Question Answer XXVII — task. Science CBSE, Class 9.

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1.

$_{17}^{35}\textrm{Cl}$ and

$_{17}^{37}\textrm{Cl}$ are __________

2. Nuclide symbol is expressed as

Answer variants:

$_{Z}^{A}\textrm{X}$

Isobars

Isotopes

$_{A}^{Z}\textrm{X}$

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