Which of the following nuclides is the least stable ?

$Z r^{91}$

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$C O^{58}$

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$C^{13}$

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$N e^{20}$

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Solution

The correct option is B
$C O^{58}$

$C O^{58}$ : Both p (= 27) and n (= 31) are odd

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Q. Which among the following nuclides is/are likely to be stable ?

If the N/Z ratio of an atom is less than 1 then the nuclide is said to be stable. Here 'N' is the number of neutrons and 'Z' is the atomic number. Which of the following nuclides is stable?

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Q. Pick the correct option given the following statements:
Statement I Nuclide

_{13}^{30} A l

is less stable than

_{20}^{40} C a

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Which of the following nuclides is the least stable ?

The correct option is B CO58 CO58 : Both p (= 27) and n (= 31) are odd

The correct option is B
$C O^{58}$

$C O^{58}$ : Both p (= 27) and n (= 31) are odd