Question

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Q.By which process does a cobalt nucleus change into Nickel nucleus?


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Answer 1

The experiment itself monitored the decay of cobalt-60 atoms, cooled to near absolute zero and aligned in a uniform magnetic field.Cobalt-60 (60Co) is an unstable isotope of cobalt that decays by beta decayto the stable isotope nickel-60 (60Ni). During this decay, one of the neutrons in the cobalt-60 nucleus decays to a proton by emitting an electron (e−) and an electron antineutrino (νe). This changes the cobalt-60 nucleus into a nickel-60 nucleus. The resulting nickel nucleus, however, is in an excited state and promptly decays to its ground state by emitting two gamma rays (γ). Hence the overall nuclear equation of the reaction is:

Answer 2

Answer:

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Explanation:

The cobalt-60 isotope undergoes beta decay with a half-life of 5.272 years. Cobalt-60 decays to Nickel-60 plus an electron and an electron antineutrino. The decay is initially to a nuclear excited state of Nickel-60 from which it emits either one or two gamma ray photons to reach the ground state of the Nickel isotope.