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Identify the nuclide that would be formed from the alpha particle emission of Fm-257.

identify the nuclide that would be formed from the beta particle emission of Cf-253.

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Answer: 1) The nuclide formed from the alpha decay of
_(100)^(257)\textrm{Fm} is
_(98)^(253)\textrm{Cf}

2) The nuclide formed from the beta-minus decay of
_(98)^(253)\textrm{Cf} is
_(99)^(253)\textrm{Es}

Explanation:

1) For alpha-decay

In this process, alpha particle is released.

Equation follows:


_(100)^(257)\textrm{Fm}\rightarrow _(98)^(253)\textrm{Cf}+_2^4\alpha

The nuclide formed is
_(98)^(253)\textrm{Cf}

2) For beta-minus decay

In this process, a neutron is converted into a proton and an electron.

Equation follows:


_(98)^(253)\textrm{Cf}\rightarrow _(99)^(253)\textrm{Es}+_(-1)^0\beta

The nuclide formed is
_(99)^(253)\textrm{Es}

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