[tex]^6^0_2_7CO\;\rightarrow\;^6^0_2_8Ni\;+\;^0_-1e[/tex] is the nuclear equation for the beta decay Ni-60.
Beta-decay occurs when, in a nucleus with too many protons or too many neutrons, one of the protons or neutrons is transformed into the other.
The nuclear equation for the beta decay Ni-60
[tex]^6^0_2_7CO\;\rightarrow\;^6^0_2_8Ni\;+\;^0_-1e[/tex]
In beta minus (β−) decay, a neutron is converted to a proton, and the process creates an electron and an electron antineutrino; while in beta plus (β+) decay, a proton is converted to a neutron and the process creates a positron and an electron neutrino. β+ decay is also known as positron emission.
Hence, [tex]^6^0_2_7CO\;\rightarrow\;^6^0_2_8Ni\;+\;^0_-1e[/tex] is the nuclear equation for the beta decay Ni-60.
Learn more about the beta decay here:
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