An example of radioactive decay by electron emission (beta decay) is in the deca

Question

An example of radioactive decay by electron emission (beta decay) is in the decay of carbon-14 14 6 C rightarrow 14 7 N+e^-+ v^- In this example the radioactive nucleus of carbon-14 decays by converting one neutron into a proton and subsequently emitting an electron and an anti-neutrino. The atomic number of the parent nucleus decreases by one but the atomic weight remains the same pointing to the conversion of a proton into a neutron. Carbon-14 is a well known radioisotope used in archeological dating.

Explanation / Answer

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By emitting an electron and an electron antineutrino, one of the neutrons in the carbon-14 atom decays to a proton and the carbon-14 (half-life of 5730 years) decays into the stable (non-radioactive) isotope nitrogen-14.

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