Question: How can an electron be ejected from a nucleus in beta decay if it wasn't in the nucleus to begin with? It can't. The electron

How can an electron be ejected from a nucleus in beta decay if it wasn't in the nucleus to begin with? It can't. The electron doesn't come from the nucleus--it comes from the closest orbit circling the nucleus. /A neutron in the nucleus turns into a proton, electron, and a neutrino. A proton in the nucleus turns into a'neutron, electron, and a neutrino. None of the above

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