Masses of two isobars \( { }_{29}^{64} \mathrm{Cu} \) and \( { }_{30}^{64} \mathrm{Zn} \) are \(...
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0Masses of two isobars \( { }_{29}^{64} \mathrm{Cu} \) and \( { }_{30}^{64} \mathrm{Zn} \) are \( 63.9298 u \) and 63.9292 u respectively. It can be concluded from these data that:
(a) Both the isobars are stable
(b) \( { }^{64} \mathrm{Zn} \) is radioactive, decaying to \( { }^{64} \mathrm{Cu} \) through \( \beta \)-decay
(c) \( { }^{64} \mathrm{Cu} \) is radioactive, decaying to \( { }^{64} \mathrm{Zn} \) through \( \gamma \)-decay
(d) \( { }^{64} \mathrm{Cu} \) is radioactive, decaying to \( { }^{64} \mathrm{Zn} \) through \( \beta \)-decay
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