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Question -

Write nuclear reaction equationsfor

(i) α-decayof  (ii) α-decayof 

(iii) β−-decayof  (iv) β−-decayof 

(v) β+-decayof  (vi) β+-decayof 

(vii) Electroncapture of 



Answer -

α is a nucleus of helium and β is anelectron (e− for β− and e+ for β+).In every α-decay, there is a loss of 2 protons and 4 neutrons. Inevery β+-decay, there is a loss of 1 proton and aneutrino is emitted from the nucleus. In every β−-decay,there is a gain of 1 proton and an antineutrino is emitted from the nucleus.

For the given cases, thevarious nuclear reactions can be written as:


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