Balanced nuclear equations for the following processes is:

Electron capture of $^{138} S m$

_{62}^{138} S m +_{- 1}^{0} e ⟶_{61}^{138} P m

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_{62}^{138} S m +_{+ 2}^{0} e ⟶_{60}^{138} P m

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_{62}^{138} S m +_{1}^{0} e ⟶_{63}^{138} P m

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None of these

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Solution

The correct option is A $_{62}^{138} S m +_{- 1}^{0} e ⟶_{61}^{138} P m$
The reaction involving electron capture by $^{138} S m$ is as follows:

$_{62}^{138} S m +_{- 1}^{0} e ⟶_{61}^{138} P m$

Here, mass number and atomic number is remain conserved on reactant and product side.

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Balanced nuclear equations for the following processes is:Electron capture of 138Sm

The correct option is A 13862Sm+0−1e⟶13861PmThe reaction involving electron capture by 138Sm is as follows:13862Sm+0−1e⟶13861PmHere, mass number and atomic number is remain conserved on reactant and product side.

Balanced nuclear equations for the following processes is:

Electron capture of $^{138} S m$

The correct option is A $_{62}^{138} S m +_{- 1}^{0} e ⟶_{61}^{138} P m$
The reaction involving electron capture by $^{138} S m$ is as follows:

$_{62}^{138} S m +_{- 1}^{0} e ⟶_{61}^{138} P m$

Here, mass number and atomic number is remain conserved on reactant and product side.