Number of Electron, Proton & Neutron Past Year (1998 - 2005) MCQs Structure of Atom Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The nuclei of which one of the following pairs are isotones:

1.	\(34 \mathrm{Se}^{74},{ }_{31} \mathrm{Ga}^{71}\)	2.	\({ }_{38} \mathrm{Sr}^{84},{ }_{38} \mathrm{Sr}^{86}\)
3.	\({ }_{42} \mathrm{Mo}^{92},{ }_{40} \mathrm{Zr}^{92}\)	4.	\({ }_{20} \mathrm{Ca}^{40},{ }_{16} \mathrm{~S}^{32}\)

Subtopic: Number of Electron, Proton & Neutron |

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AIPMT - 2005

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