Q135 · CSIR-NET Chemistry, June 2011

Paper: CSIR-NET June 2011 · Subject: Physical Chemistry · Chapter: Nuclear Chemistry · Topic: Nuclear Chemistry – General · Marks: 2 · Difficulty: Easy

$141.9164 \mathrm{amu},{ }^{91} \mathrm{Kr}=90.9234 \mathrm{amu}$, neutron $=1.00866 \mathrm{amu}$ )
(a)$3.12 \times 10^{12}$
(b)$2.8 \times 10^{11}$
(c)$1.0 \times 10^{9}$
(d)$1.68 \times 10^{10}$
Answer
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Explanation
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