physcis alpha beta decay

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7 Terms

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Alpha Decay

helium nucleus emitted (A-4, Z-2 + 4, 2)

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Beta Negative Decay

electron emitted (A+0, Z+1 + 0, -1)

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Beta Positive Decay

positron emitted (A+0, Z-1 + 0, +1)

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Electron Capture

a process where an electron is absorbed by a proton in a nucleus, converting it into a neutron (A, Z + 0, -1 > A, Z-1).

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Gamma Decay

excited nucleus releases energy in the form of a gamma ray

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halflife equation

N(t) = N0(1/2)(t/h)

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solve a = (1/2)(t/h)

log (a) = t/h * log (1/2)