what do you think you know about physics, physics is the study of matter under the effect of energy, but does this includes solid states bodies, atoms at ground states, object at microscopic size or object moving faster than light? these and more is what prompt me to ask again what is physics?
what part of an atom undergoes change during radioactive decay
the
nucleus, by adding or ejecting proton or neutron alpha decay will eject four
nucleons, beta will add a protons while electron capture and positron decay
will add a neutron.
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